The Twillery Co.® Memory Foam Mattress, Medium Firm Feel Cooling Gel Mattress Bed in a Box & Reviews

Memory Foam Mattress, Medium Firm Feel Cooling Gel Mattress Bed in a Box, Twin XL, 6"

Customer Reviews

Rated 4.7 out of 5 stars.

274 Reviews

Customers say

Customers consistently praise the product's exceptional comfort and value, reporting significantly improved sleep quality and reduced back pain. Many appreciate its medium firmness, finding it supportive yet comfortable. While some noted a slight initial odor, it typically dissipated quickly. The product's thickness is also well-received, adding substantial cushioning without being overly bulky.

AI-generated from customer reviews

Mattress Size:

Twin XL

Mattress Thickness:

About This Product

Enjoy deeper, cooler, and healthier sleep with our premium memory foam mattress, expertly engineered to relieve pressure, support spinal alignment, and minimize motion transfer. This medium-firm bed-in-a-box features a breathable gel-infused memory foam layer for optimal temperature regulation—perfect for hot sleepers. Designed with motion isolation, reinforced edge support, and fiberglass-free construction, it creates a safe, stable, and ultra-comfortable sleep surface. Whether you need a twin, full, queen, or king mattress, this CertiPUR-US certified solution delivers cloud-like comfort and back pain relief. Unbox, unroll, and sleep better—your body will thank you.

Features

Pressure Relief & Motion Isolation – The medium-firm mattress with adaptive memory foam provides balanced support and pressure point relief, while motion isolation technology ensures undisturbed rest—even if your partner tosses and turns.
CertiPUR-US Certified & Fiberglass-Free – Made with CertiPUR-US certified foams and a fiberglass-free, OEKO-TEX-certified cover, this mattress is non-toxic, hypoallergenic, and safe for the whole family.
Cooling & Breathable Sleep Surface – This memory foam mattress features a soft knitted jacquard cover with excellent airflow. Gel-infused cooling foam regulates temperature, helping hot sleepers stay dry and sleep cooler all night.
Convenient Bed-in-a-Box – Shipped compressed and rolled for easy setup, this mattress in a box fits all bed frames, including adjustable bases, slatted platforms, and box springs. Available in twin, full, queen, and king sizes. The memory foam mattress is vacuum compressed packed. Please allow 24-48 hours for the mattress to return to its original state
Reinforced Edge Support – Durable high-density base foam and enhanced edge support offer maximum stability, preventing sagging or roll-off when you sit or sleep near the edge.

Details

Comfort Level: Medium = Side, back & stomach sleepers
Mattress Top Type: Tight Top
Foam Type: Memory Foam, Gel Memory Foam
Weight Capacity: 450 lb.
Low Motion Transfer: Yes
Product Type: Gel Memory Foam
Adjustability Features: Reclining
Mattress Layer Details: Memory Foam
General Features: Breathable
Construction Features: Mattress in a Box
Fill Material: Open Cell Foam
Compatible With: Adjustable Bed Base
Removable Components: Cover
Age Group: Adult, Teen, All Ages

100-Night Free Trial

We believe in great sleep, guaranteed.

That's why every mattress you purchase from Wayfair comes with a 100-Night Trial. Adjusting to a new mattress takes time, so try yours for up to 100 nights. If you don't love your new mattress within the first 100 nights, contact our mattress experts to arrange a return. Please note this excludes Mattress Toppers, Crib Mattresses, Air Mattresses, and Open Box Mattresses, and you may return or exchange a mattress once per order.

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