SINWEEK Tri Folding Mattress with Storage Bag 4" Foldable Mattress Foam Topper Floor Cot Mattress, Guset Bed with Machine Washable Cover and Waterproof Lining, CertiPUR-US Certified 31 x 75 Inch
Condition: New
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FREE 30-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Wednesday, Mar 25
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Size: C (31 x 75 Inch)
Style: High Support Foam
Features
- Multifunctional Design: Our convertible folding mattress can be changed freely among lounge chair and bed to satisfy your different needs. This versatile mattress will be a perfect solution for small house with limited space which is great for Video gaming, reading, camping and sleeping.
- Well Selected Materials: Featuring 4 inch high density and thick sponge, this foldable mattress has good elasticity and can perfectly support your body.
- Portable & Foldable Desig: This sponge mattress can be folded into a compact size when not in use for space-saving. Simply slip the included carrying case over the portable, tri-fold mattress and zip it up to keep it neat and secure while you travel. It is great for your guests, gaming with kids, travelling, camping, and YOGA in any room, mobile home, tent or car.
- Easy to Clean and Maintain: Coming with the smooth zipper which is covered with a wrapping cloth, the cover of our foldable sponge mattress can be quickly removed for easy washing. Plus, both cover and sponge materials are well selected for long time use and there is no need for tedious maintenance at ordinary times.
- BUY WITH CONFIDENCE: SINWEEK fold mattress is consistent with the high standard of quality. We provide an honest 30-days money-back return policy. Please allow up to 72 hours for the mattress to fully expand. If you have any questions at all, do not hesitate to contact us.
Features
- Multifunctional Design: Our convertible folding mattress can be changed freely among lounge chair and bed to satisfy your different needs. This versatile mattress will be a perfect solution for small house with limited space which is great for Video gaming, reading, camping and sleeping.
- Well Selected Materials: Featuring 4 inch high density and thick sponge, this foldable mattress has good elasticity and can perfectly support your body.
- Portable & Foldable Desig: This sponge mattress can be folded into a compact size when not in use for space-saving. Simply slip the included carrying case over the portable, tri-fold mattress and zip it up to keep it neat and secure while you travel. It is great for your guests, gaming with kids, travelling, camping, and YOGA in any room, mobile home, tent or car.
- Easy to Clean and Maintain: Coming with the smooth zipper which is covered with a wrapping cloth, the cover of our foldable sponge mattress can be quickly removed for easy washing. Plus, both cover and sponge materials are well selected for long time use and there is no need for tedious maintenance at ordinary times.
- BUY WITH CONFIDENCE: SINWEEK fold mattress is consistent with the high standard of quality. We provide an honest 30-days money-back return policy. Please allow up to 72 hours for the mattress to fully expand. If you have any questions at all, do not hesitate to contact us.
Size: C (31 x 75 Inch)
Special Feature: Water Proof, Washable
Fill Material: Memory Foam
Brand: SINWEEK
Product Dimensions: 75"L x 31"W x 4"Th
Top Style: Tight Top
Color: Grey
Age Range (Description): Kid
Model Name: FM-T
Product Care Instructions: Machine Wash
Product Dimensions: 75 x 4 x 31 inches
Item Weight: 15.02 pounds
Manufacturer: SINWEEK
Item model number: FM-T
Date First Available: May 13, 2021
Age Range Description: Kid
Material: Crystal Velvet, Foam
Color: Grey
Brand: SINWEEK
Water Resistance Level: Waterproof
Product Dimensions: 75"L x 31"W x 4"Th
Item Weight: 13.42 pounds
Product Dimensions: 75 x 31 x 4 inches
Item model number: FM-T
Date First Available: May 13, 2021
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Mar 25
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Foldable and nice. No issues in using and is well comfortable
Reviewed in the United States on January 4, 2026 by Vishwa
This bed will keep you sleeping comfortably for nights, due to current events iv been sleeping on this because i have no space for a bed, this has not failed me at all and its as soft as when i got it.
Reviewed in the United States on January 3, 2026 by Pivot, the sartorial dresser
Size: S (25 x 75 Inch)
Style: High Support Foam
As expected. More comfortable than an air mattress. Compact when folded making easy to store.
Reviewed in the United States on January 22, 2026 by Amazon Customer
Size: C (31 x 75 Inch)
Style: High Support Foam
We got this to use for when my parents came to visit. I didn't know what to expect but we have a queen size bedframe that separates into 2 single size cots. These fit well on the cots and were surprisingly very comfortable. Iv used the cots and this to sleep on twice already and felt like I was sleeping on a firm mattress. We've had this for about a month 1/2 now. My husband has degenerative discs disease and uses this on the floor when he wants to watch tv or play video games daily. He absolutely loves it and has been using it on top of our current mattress and wakes up with little to no pain some nights. I use this also and wake up feeling great with no pain as well. We will be using this with camping this summer replacing an air mattress. It is a thick foam and has so far retained its shape with daily use for a month 1/2 now. my only complaint is that the seams are coming apart a bit on the sides but that's easily fixed with a bit of sewing. When folded up its about a 1ft 1/2ft high and will fold and can be stored under a bed that's at least 14in high I believe. I could be off.
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Reviewed in the United States on May 16, 2025 by paris
Purchased for My daughter’s dorm, she is very happy with this mattress topper, very soft, good thickness and makes her dorm Bed very comfy, it was easy to Put away during move day because it is foldable, the size was perfect for a dorm bed, also looks Like It will last her a while because it was in a very good shape. all in all a very excellent purchase.
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Reviewed in the United States on July 5, 2025 by Yina
Size: Twin XL (38 x 80 Inch)
Style: Slow Rebound Memory Foam
This pad is very sturdy and comfortable!! It comes in a perfect bag to store it. I would highly recommend this after using roll up beds before. This bed folds and retains its shape and consistency.
Reviewed in the United States on November 4, 2025 by Rich Lynch
Size: S (25 x 75 Inch)
Style: High Support Foam
We bought second one after trying first for a few nights. While I wouldn’t want to sleep on it every night, it’s good for travel and sleepovers.
Reviewed in the United States on January 21, 2026 by Mike & Miya
Size: SF (52 x 73 Inch)
Style: High Support Foam
The product is not as described. The thickness is not the same as stated 4" but is 3 1/2". It's been open for more than two weeks and it still hasn't been restored to its proper condition. The cover is damaged, it has not been returned to good condition, some places have been improved, and when I opened it there was a very bad smell.
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Reviewed in the United States on January 1, 2026 by Faton Faton