SINWEEK 2 Inch Memory Foam Mattress Topper Twin XL
- Twin XL size, 39 by 80 inches
- 2 inches thick gel memory foam
- CertiPUR-US certified foam
- Cooling and odor resistant features listed
- Spot clean only, not water resistant
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A thin gel memory foam topper cut for a Twin XL bed, a common dorm size. It adds a softer top layer but is not made to fix a worn or sagging mattress.
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ASIN: B0B6VWZ8FYModel: MT5QCategory: Mattress Toppers
Sizes Available
Styles Available
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Overview
Not a mattress, this is a foam layer that goes on top of one you already have. Gel memory foam contours to the body, and the topper is cut to Twin XL so it matches a dorm or single bed.
The thin profile adds some pressure relief without changing the height of the bed much, and the certification and cooling note address foam concerns. The limit is the care label, which allows spot cleaning only and gives no removable cover.
Who it's for
College students and single sleepers with a firm mattress get the softer layer this is made for. People with a sagging mattress, or those who need a washable cover, should consider other options.
Pros and cons
- Fits the Twin XL dorm bed size
- Gel memory foam for pressure relief
- CertiPUR-US certified foam
- Cooling and odor resistant features
- Spot clean only
- Not water resistant
- No cover or straps listed
Performance notes
Memory foam softens under body heat and spreads weight across a wider area, which is where pressure relief comes from. The gel is added to help with heat, but a thin layer still relies on the mattress beneath for support. A new foam topper may need time to air out, which the odor resistant note speaks to.
Specifications
| Brand | Sinweek |
|---|---|
| Model | MT5Q |
| Dimensions & fit | |
| Size | Twin XL |
| Dimensions | 39 by 80 inches |
| Construction & materials | |
| Material Type | Gel memory foam |
| Color | Blue |
| Fabric Type | Gel memory foam |
| Other details | |
| Water Resistance Level | Not water resistant |
| Number of Items | 1 |
| Thickness | 2 inches |
| Product Care Instructions | Spot clean only |
| Special features | Cooling, odor resistant |
| Model number | MT5Q |
Frequently asked questions
What comes in the box with the Sinweek MT5Q topper?
One Twin XL memory foam topper. The listing names no cover, straps or other parts.
Will it fit a regular twin bed?
It is cut to Twin XL, 39 by 80 inches, so a regular twin mattress is shorter and the topper would overhang.
Can I put the Sinweek topper in the washing machine?
No. The care instructions say spot clean only, and the topper is not water resistant.
Is it safe for foam sensitive sleepers?
The listing states CertiPUR-US certified foam and an odor resistant feature.