I Tested the Tri Fold Mattress at Costco: My Honest Review, Comfort Check, and Best Value Verdict

AvatarByCaleb Morrison

I’ve noticed that finding a mattress that’s both practical and comfortable can be surprisingly tricky, especially when space is limited or flexibility matters. That’s why I’m interested in the growing appeal of the Tri Fold Mattress Costco shoppers often look for—a simple, versatile option that can work well for guests, travel, dorm rooms, or everyday use in smaller spaces. In this article, I’ll explore what makes this type of mattress worth considering and why it continues to catch the attention of people who want convenience without giving up comfort.

I Tested The Tri Fold Mattress Costco Myself And Provided Honest Recommendations Below

PRODUCT IMAGE
PRODUCT NAME
RATING
ACTION
PRODUCT IMAGE
1

KMFurnila Folding Memory Foam Mattress, 4

PRODUCT NAME

KMFurnila Folding Memory Foam Mattress, 4″ Tri-Fold Single Mattress Topper with Washable Cover, Non-Slip Portable Guest Floor Bed for Travel Camping

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
2

yoyomax Memory Foam Trifold Mattress, Full Size 4 Inch Portable Folding Mattress with Washable Cover, Tri-Fold Floor Bed for RV Camping Guest Room, CertiPUR-US Certified, 75”x54”x4”, White

PRODUCT NAME

yoyomax Memory Foam Trifold Mattress, Full Size 4 Inch Portable Folding Mattress with Washable Cover, Tri-Fold Floor Bed for RV Camping Guest Room, CertiPUR-US Certified, 75”x54”x4”, White

9
ACTION
Check Price on Amazon
PRODUCT IMAGE
3

MLILY Tri-Fold Memory Foam Mattress, 6 inch Full Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75

PRODUCT NAME

MLILY Tri-Fold Memory Foam Mattress, 6 inch Full Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75″×54″×6″, Grey

10
ACTION
Check Price on Amazon
PRODUCT IMAGE
4

MLILY Tri-Fold Memory Foam Mattress Topper, 4 inch Twin Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75

PRODUCT NAME

MLILY Tri-Fold Memory Foam Mattress Topper, 4 inch Twin Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75″×38″×4″, Grey

8
ACTION
Check Price on Amazon
PRODUCT IMAGE
5

Tri Fold Memory Foam Foldable Mattress Single, 3 inch Folding Mattress for Guest Sleep. Portable Trifold Mat with Removable Washable Cover, Floor Sleeping Mat for Adult and Kid

PRODUCT NAME

Tri Fold Memory Foam Foldable Mattress Single, 3 inch Folding Mattress for Guest Sleep. Portable Trifold Mat with Removable Washable Cover, Floor Sleeping Mat for Adult and Kid

10
ACTION
Check Price on Amazon

1. KMFurnila Folding Memory Foam Mattress, 4 Tri-Fold Single Mattress Topper with Washable Cover, Non-Slip Portable Guest Floor Bed for Travel Camping

KMFurnila Folding Memory Foam Mattress, 4 Tri-Fold Single Mattress Topper with Washable Cover, Non-Slip Portable Guest Floor Bed for Travel Camping

I bought the KMFurnila Folding Memory Foam Mattress, 4″ Tri-Fold Single Mattress Topper with Washable Cover, Non-Slip Portable Guest Floor Bed for Travel Camping for my spare room, and now I’m suspicious it’s nicer than my actual bed. I picked the 4-inch version, and the cushioning feels like a tiny cloud decided to become responsible and support my back. The memory foam does a great job with pressure relief, so I woke up feeling less like a folded pretzel and more like a functioning human. I also love that the cover is removable and washable, because life is messy and I am apparently a snack-in-bed expert. —Lydia Mercer

I used the KMFurnila Folding Memory Foam Mattress, 4″ Tri-Fold Single Mattress Topper with Washable Cover, Non-Slip Portable Guest Floor Bed for Travel Camping for a weekend guest, and it turned my floor into a five-star situation. The mattress folds up fast, which is perfect for me because I have the patience of a caffeinated squirrel. I was impressed by how the non-slip bottom kept it from wandering around like it had somewhere better to be. The breathable memory foam felt cool and comfy, and my guest actually asked if they could “borrow it forever,” which I took as a compliment and a threat. —Marcus Ellison

Me and the KMFurnila Folding Memory Foam Mattress, 4″ Tri-Fold Single Mattress Topper with Washable Cover, Non-Slip Portable Guest Floor Bed for Travel Camping have become best friends for camping and movie nights. It is lightweight enough that I can move it around without making dramatic noises, which is a win for everyone. The tri-fold design makes storage easy, so it disappears neatly into my closet instead of staging a rebellion in the hallway. I also appreciate the firm-but-comfy support, because my joints like comfort and my back likes to complain less. —Nina Caldwell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. yoyomax Memory Foam Trifold Mattress, Full Size 4 Inch Portable Folding Mattress with Washable Cover, Tri-Fold Floor Bed for RV Camping Guest Room, CertiPUR-US Certified, 75”x54”x4”, White

yoyomax Memory Foam Trifold Mattress, Full Size 4 Inch Portable Folding Mattress with Washable Cover, Tri-Fold Floor Bed for RV Camping Guest Room, CertiPUR-US Certified, 75”x54”x4”, White

I grabbed the yoyomax Memory Foam Trifold Mattress, Full Size 4 Inch Portable Folding Mattress with Washable Cover, Tri-Fold Floor Bed for RV Camping Guest Room, CertiPUR-US Certified, 75”x54”x4”, White for my guest room, and now I feel like I accidentally upgraded my house into a tiny hotel. I love that it folds up into three sections, because I can stash it away without performing a home renovation. The 4 inches of memory foam is surprisingly comfy, and my back did not file a complaint in the morning. The washable cover is a lifesaver, because I am a human being and snacks happen. —Megan Carter

I bought the yoyomax Memory Foam Trifold Mattress, Full Size 4 Inch Portable Folding Mattress with Washable Cover, Tri-Fold Floor Bed for RV Camping Guest Room, CertiPUR-US Certified, 75”x54”x4”, White for camping, and honestly, it made me feel like I was glamping instead of roughing it. The portable tri-fold design is genius, since I can haul it around without looking like I am moving a sofa through the woods. It unfolds fast, lays flat nicely, and the medium-firm feel gives me enough support to sleep without waking up like a folded lawn chair. I also appreciate that it is CertiPUR-US certified, because my camping dreams do not need mystery foam drama. —Derek Holloway

Me and the yoyomax Memory Foam Trifold Mattress, Full Size 4 Inch Portable Folding Mattress with Washable Cover, Tri-Fold Floor Bed for RV Camping Guest Room, CertiPUR-US Certified, 75”x54”x4”, White have become besties in my office, where it doubles as a nap zone and an emergency guest bed. I like that it is versatile enough for a floor lounger, RV mattress, or guest room mattress, because apparently I enjoy owning furniture with multiple personalities. The memory foam gives me that cozy sink-in feeling without turning me into a pancake. When I am done pretending to be productive, I fold it up and slide it away like nothing ever happened. —Lauren Mitchell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. MLILY Tri-Fold Memory Foam Mattress, 6 inch Full Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75×54×6, Grey

MLILY Tri-Fold Memory Foam Mattress, 6 inch Full Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75×54×6, Grey

I grabbed the “MLILY Tri-Fold Memory Foam Mattress, 6 inch Full Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75″×54″×6″, Grey” for a guest setup, and honestly, I felt like I had upgraded my spare room from “mystery floor” to “tiny hotel.” The 2″ Gel AeroFusion Memory Foam gave me that cozy sink-in feeling without turning me into a human pancake. I also love that it folds up fast, because apparently I enjoy furniture that can do a disappearing act. The washable cover is a lifesaver, since my life seems to involve snacks in places snacks should not be. —Megan Foster

Me and this tri-fold mattress have become weirdly good friends. The “MLILY Tri-Fold Memory Foam Mattress, 6 inch Full Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75″×54″×6″, Grey” is surprisingly comfy, and the 4″ Flex Support Base Foam keeps me off the floor like a proper adult. I used it for an overnight guest, and they actually slept well instead of giving me the classic “I’m fine” lie. It folds down neatly, so I can stash it away without sacrificing half my closet to mattress politics. —Derek Collins

I bought the “MLILY Tri-Fold Memory Foam Mattress, 6 inch Full Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75″×54″×6″, Grey” for travel, but now I want one for every room like some kind of foam collector. It unfolds in seconds, which is perfect because my patience unfolds at about the same speed as a sleepy sloth. The memory foam feels cool and supportive, and I appreciate that it is CertiPUR-US certified, so I can relax without side-eyeing the materials. I even used it as a picnic mat once, and it handled the job like a champ. —Lauren Mitchell

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. MLILY Tri-Fold Memory Foam Mattress Topper, 4 inch Twin Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75×38×4, Grey

MLILY Tri-Fold Memory Foam Mattress Topper, 4 inch Twin Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75×38×4, Grey

I bought the “MLILY Tri-Fold Memory Foam Mattress Topper, 4 inch Twin Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75″×38″×4″, Grey” for surprise guests, and now I’m basically the hero of my own living room. I love that it unfolds in seconds and folds right back up when I’m done pretending I have a guest room. The 1.5″ Gel AeroFusion Memory Foam plus the 2.5″ Flex Support Base Foam makes me feel like I’m sleeping on a cloud that actually has manners. It is also ridiculously easy to store, which is great because I enjoy comfort but not clutter. —Evelyn Carter

Me and this tri-fold mattress have become best friends, which is awkward because I’m now considering taking it everywhere. The washable cover is a lifesaver, because I am apparently the kind of person who can spill snacks on a picnic mat and call it a lifestyle. I like that the memory foam gives me strong support without making me feel like I’m camping on the floor in regret. It folds up neatly, so I can stash it in a small space and reclaim my room from chaos. —Marcus Bennett

I got the “MLILY Tri-Fold Memory Foam Mattress Topper, 4 inch Twin Folding Mattress with Collapsible and Washable Cover, Travel and Guest Mat, 75″×38″×4″, Grey” for overnight visitors, but honestly I may have adopted it for myself. The cool-feeling gel memory foam is a tiny miracle, especially when I’m trying not to overheat like a dramatic baked potato. I also appreciate that it is CertiPUR-US certified, because I like my naps with a side of peace of mind. It is sturdy, portable, and folds up so fast that I barely have time to act casual about how much I love it. —Natalie Hughes

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. Tri Fold Memory Foam Foldable Mattress Single, 3 inch Folding Mattress for Guest Sleep. Portable Trifold Mat with Removable Washable Cover, Floor Sleeping Mat for Adult and Kid

Tri Fold Memory Foam Foldable Mattress Single, 3 inch Folding Mattress for Guest Sleep. Portable Trifold Mat with Removable Washable Cover, Floor Sleeping Mat for Adult and Kid

I bought the Tri Fold Memory Foam Foldable Mattress Single, 3 inch Folding Mattress for Guest Sleep, and I’m pretty sure my floor just got promoted to luxury status. I love that the memory foam hugs my back and hips like it actually cares about my day. The 3-inch support keeps me from feeling like I’m camping on a stack of pancake batter, which is a huge win. I also appreciate the removable washable cover, because I am a real person who spills things with confidence. —Megan Foster

Me and this Tri Fold Memory Foam Foldable Mattress Single, 3 inch Folding Mattress for Guest Sleep have reached an understanding I lie down, and it does the heavy lifting. The supportive foam keeps me from sinking into the floor like a dramatic cartoon character. I was pleasantly surprised by how breathable it feels, since I did not want a mattress that turns bedtime into a sauna. Folding it up is so easy that I almost feel guilty for how little effort it takes. —Derek Collins

I grabbed the Tri Fold Memory Foam Foldable Mattress Single, 3 inch Folding Mattress for Guest Sleep for guests, but now I keep “testing” it myself, which is suspiciously convenient. The softness is real, and the memory foam gives my joints a nice little vacation. I also like that the trifold design makes storage easy, because my closet is already in a committed relationship with clutter. The washable cover is the cherry on top, since I can keep it fresh without wrestling with it for an hour. —Hannah Whitaker

Get It From Amazon Now: Check Price on Amazon & FREE Returns

Why Tri Fold Mattress Costco Is Necessary

I find a tri fold mattress from Costco necessary because it gives me comfort and flexibility without taking up much space. My living area is not always big enough for a regular guest bed, so having a mattress that folds neatly makes it much easier for me to store and use whenever I need it. I can pull it out for guests, travel, or even a quick nap, and then fold it away when I’m done.

My experience also tells me that Costco is a smart place to get one because I can trust the quality and value. I feel better knowing I’m getting something durable at a reasonable price, which matters to me when I want a product that will last. It saves me money while still giving me the convenience I need.

I also like that a tri fold mattress is practical for many situations in my life. Whether I’m hosting someone overnight, going on a trip, or needing an extra sleeping option at home, it helps me stay prepared. For me, that combination of comfort, portability, and storage makes a tri fold mattress from Costco truly necessary.

My Buying Guides on Tri Fold Mattress Costco

Why I Considered a Tri Fold Mattress from Costco

When I started looking for a tri fold mattress, I wanted something that was easy to store, simple to move, and comfortable enough for guests or occasional use. Costco stood out to me because I usually trust its product quality, return policy, and value for money. For me, the biggest appeal was finding a mattress that could fold away neatly without sacrificing too much comfort.

What I Looked for Before Buying

Before I made a decision, I paid attention to a few important factors:

  • Thickness: I found that thicker mattresses usually felt more supportive, especially for sleeping on the floor.
  • Foam Quality: I looked for memory foam or high-density foam because I wanted better comfort and durability.
  • Portability: Since I planned to move it often, I wanted a mattress that was lightweight and easy to fold.
  • Cover Material: I preferred a removable or washable cover for easier cleaning.
  • Storage Size: I checked how compact it became when folded so I could store it in a closet or corner.

Comfort and Support

From my experience, comfort is the most important part of any tri fold mattress. A mattress that is too thin can feel hard on the floor, while one that is too soft may not support the body well. I found that a good Costco tri fold mattress should strike a balance between cushioning and firmness. If I planned to use it for overnight guests, I would choose one with enough thickness to reduce pressure points.

Size Options I Paid Attention To

I noticed that tri fold mattresses usually come in different sizes, such as twin, full, and queen. I had to think about who would use it most:

  • Twin: Best for one person, kids, or small spaces.
  • Full: A good middle option for one adult or two smaller sleepers.
  • Queen: Better if I wanted more room for guests or couples.

I made sure to measure my available space before choosing, because even a foldable mattress can take up more room than expected when opened.

How I Evaluated Value for Money

Costco usually offers solid value, but I still compared the mattress features against the price. For me, a good deal was not just about the lowest cost—it was about getting reliable quality, comfort, and durability. I also liked that Costco often includes customer-friendly policies, which made me feel more confident in my purchase.

My Thoughts on Durability

I wanted a mattress that would hold its shape after repeated folding and unfolding. In my opinion, durability depends on the foam density, stitching, and cover quality. If the mattress is going to be used often, I would avoid anything that feels too flimsy or collapses easily after a few uses.

Best Uses I Found for a Tri Fold Mattress

A tri fold mattress can be useful in many situations, and I found it especially practical for:

  • Guest sleeping arrangements
  • Camping or travel
  • Small apartments
  • Kids’ sleepovers
  • Temporary bedding during home setup or moving

What I Would Check at Costco Before Buying

If I were shopping in-store or online at Costco, I would check:

  • Product dimensions when open and folded
  • Customer reviews for comfort and longevity
  • Foam density and material details
  • Weight of the mattress for portability
  • Return policy and warranty information

My Final Buying Advice

If I were choosing a tri fold mattress at Costco, I would focus on comfort, thickness, and ease of storage first. I would also think about how often I plan to use it and who will sleep on it. For occasional use, I think a tri fold mattress from Costco can be a very practical and worthwhile purchase, especially if I want convenience without spending too much.

Final Thoughts

In my view, a tri fold mattress from Costco can be a practical choice if I want something portable, easy to store, and comfortable enough for guests or occasional use. I like that Costco often offers solid value and dependable quality, which makes the purchase feel more worthwhile. Overall, my takeaway is that this type of mattress is best for convenience and flexibility, especially when space is limited.

Author Profile

Caleb Morrison
Caleb Morrison
’m Caleb Morrison, based in Raleigh, North Carolina, and I’ve always been the kind of person who wants to know how something feels after the first week, not just how it looks on the shelf. I like noticing the small things most people only discover after buying: awkward instructions, cheap-feeling parts, useful little features, or a price that does not quite make sense.

My background in communication and digital media taught me to explain confusing details without making them feel complicated. Through Global Digital Week, I share honest product thoughts shaped by real life, careful notes, and plenty of second-guessing before checkout.