Twin Mattress, 8 Inch Memory Foam Mattress in a Box, Medium Firm, Supportive & Pressure Relief, Removable Cover, CertiPUR-US Certified, No Fiberglass
Condition: New
Buy Now, Pay Later
As low as
$26.50
/ mo
Learn more
- – 6-month term
- – No impact on credit to apply
- – Instant approval decision
- – Secure and straightforward checkout
Ready to go? Add this product to your cart and select a plan during checkout.
Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.
Learn more about financing & leasing here.
Selected Option
Free shipping on this product
90-day returns
Learn more
FREE 90-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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Monday, Apr 27
Recently Viewed
Size: Twin
Style: 8 Inch
Features
- Experience Comfort: Indulge in ultimate sleep comfort with the Memory Foam Mattress. Featuring a dual-layer foam system combining memory foam and high-density support foam, perfectly contours to your body's curves, delivering balanced support and a soft experience for most sleepers.
- Pressure Relief: Twin size mattress contours to your body, offering personalized support at key pressure points, scientifically distributing pressure. Its elasticity and memory function ensure proper spinal alignment, allowing your body to relax and stay comfortable all night.
- Quiet & Undisturbed Sleep: Designed to minimize motion transfer, this twin bed mattress eliminates disturbances caused by nighttime movements, greatly improving sleep quality for you and your partner. It is ideal for light sleepers.
- Safer Sleep for Your Family: CertiPUR-US certified memory foam, fiberglass-free, and free of harmful chemicals. Choose a safer, healthier sleep environment for your family.
- Effortless Setup: The mattress in a box design makes moving and setup a breeze. Simply unpack the mattress and allow it to expand for 72 hours before use. No additional steps are required.
Brand: Instuysh
Size: Twin
Product Dimensions: 75"L x 39"W x 8"Th
Item Weight: 21 Pounds
Item Firmness Description: Medium Firm
Top Style: Tight Top
Number of Layers: 2
Fill Material: High Density Foam
Special Feature: Pressure Relief
Color: White&black
Item Firmness Description: Medium Firm
Number of Layers: 2
Additional Features: Pressure Relief
Construction Type: Memory Foam
Size: Twin
Item Dimensions L x W x Thickness: 75"L x 39"W x 8"Th
Item Weight: 21 Pounds
Item Depth: 8 inches
Item Dimensions: 75 x 39 x 8 inches
Fill Material: High Density Foam
Mattress Comfort Layer Material: Memory foam
Material Type: Memory Foam
Brand Name: Instuysh
Model Name: INS-MB-8T
Product Benefits: Pressure Relief
Model Number: INS-MB-8T
Manufacturer: Instuysh
Included Components: Mattress Cover
Unit Count: 1.0 Count
top-style: Tight Top
Color: White&black
Style Name: 8 Inch
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Apr 27
Yes, absolutely! You may return this product for a full refund within 90 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.
- Klarna Financing
- Affirm Pay in 4
- Affirm Financing
- Afterpay Financing
- PayTomorrow Financing
- Financing through Apple Pay
Learn more about financing & leasing here.
Similar Products
Top Amazon Reviews
Size: Twin
Style: 10 Inch
This mattress arrived compressed in a box, which made maneuvering it up the stairs and into the bedroom surprisingly easy—especially since it’s a twin size that fits bunk beds like a glove. Once we cut the plastic, it expanded quickly and evenly within a couple of hours, with only a faint “new mattress” scent that dissipated by the next day (no strong off-gassing like some cheaper foams). The height is just right for the bunk frame: it sits flush without towering over the rails, leaving plenty of headroom for anyone on the top bunk while still providing a substantial sleeping surface on the bottom. The cover is a smooth, breathable fabric with that classic quilted top that feels soft to the touch right away. No loose threads or uneven stitching—it looks and feels like a quality budget-friendly option. We paired it with a simple fitted sheet, and it stayed put perfectly, even with kids jumping on and off during playtime. Living in North Carolina, where summers can get humid and warm, breathability matters. This one does a respectable job. The quilted cover and any gel-infused elements (common in these designs) help dissipate heat better than basic innersprings or thin foams I’ve tried before. I don’t wake up overheated like I have on some all-foam beds. Airflow seems decent through the sides and top, keeping things comfortable even on warmer nights. It’s not “ice-cold” cooling tech, but for a 10-inch profile, it regulates temperature surprisingly well—no sweaty back or clammy sheets in the morning. For the cost and convenience, this 10-inch mattress is a winner. It transformed our bunk bed from a basic frame into a comfortable sleeping spot that guests actually compliment. No more complaints about “too hard” or “too hot”—just solid, restorative sleep. It’s practical, supportive, and looks clean and inviting in the space. I’d happily buy another for a second bunk or guest setup. If you’re outfitting a bunk bed or need an affordable, balanced mattress that gets the job done without fuss, this one earns a strong recommendation. Four solid stars—reliable everyday comfort with room to customize if you want extra plushness. Sweet dreams from Charlotte! 🛏️
...
show more
Reviewed in the United States on April 11, 2026 by Kenia Valentin
Size: Twin
Style: 10 Inch
I’m really impressed with this 10-inch memory foam twin mattress. From the moment I set it up, everything about it felt easy and well thought out. Setup was quick and simple. It arrived compressed in a box, and once opened, it expanded faster than expected. There was only a slight “new mattress” smell, and it disappeared within a day. The comfort level is just right. I’d describe it as a true medium-firm, soft enough to cushion pressure points like shoulders and hips, but still supportive enough to keep your back properly aligned. It strikes a really nice balance, especially for back and side sleeping. What really stands out is the pressure relief. You can feel the memory foam gently contour to your body without that “sinking” feeling that makes it hard to move. It’s supportive without being stiff. The motion isolation is excellent, which is great if the mattress is used in a shared room or for kids. You don’t feel much movement at all. I also appreciate the removable, washable cover, it’s soft to the touch and easy to take off for cleaning. Knowing it’s CertiPUR-US certified and fiberglass-free gives extra peace of mind when it comes to safety and materials. What I liked most: • True medium-firm feel (great balance of comfort and support) • Excellent pressure relief for shoulders and hips • Easy setup with quick expansion • Minimal odor that fades fast • Removable, washable cover • Safe materials (no fiberglass, CertiPUR-US certified) If you prefer an ultra-soft or very plush mattress, this may feel a bit firm, but for most people, it’s a great middle ground. This mattress offers comfort, support, and quality at a really good value. It’s perfect for a guest room, kids’ room, or even everyday use. I’ve been sleeping better since switching to it and would definitely recommend it.
...
show more
Reviewed in the United States on April 8, 2026 by Book fanatic
Size: Twin
Style: 10 Inch
I ordered this because I was desperate to replace an old spring mattress that had become soft and lumpy over the years. I specifically chose the 10 inch height because I wanted something tall enough to close the gap between my headboard and the frame, and this fits perfectly. I'm not losing my pillows down that space in the middle of the night anymore, which was a constant annoyance with my thinner mattress. The setup was actually easier than I expected since it was delivered right to my front door. It isn't overly heavy, so I was able to handle it myself, and it only took a few minutes to get the plastic off. While the instructions say to wait 72 hours, mine expanded to its full height in about 12 hours. It feels much more supportive than my old spring bed; it’s a true medium firm where it still contours to your body but you don’t feel like you’re sinking into a hole. One thing I really appreciate is the motion isolation. It doesn't shake the entire mattress when you move around, which makes it feel much higher quality than a traditional spring set. The removable cover also feels very durable, with a strong zipper that doesn't feel like it’s going to snag or break the first time you wash it. At 10 inches, it also fits my regular twin sheets without them popping off at the corners. If you want a supportive bed that stays put and actually fits your frame without gaps, you’ll probably be very happy with this.
...
show more
Reviewed in the United States on April 13, 2026 by Customer Review