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Description
xMeet the MLILY Twin Mattress in a Box, an 8-inch memory foam mattress designed for kids, daybeds, single beds, and bunks. By arriving compressed in a single box, it unboxes and unfolds quickly to reveal a comfortable sleep surface with cooling and contouring features. Built with safety and practicality in mind, it blends modern foam technology with everyday room setups.
What makes it comfortable
The mattress offers a balanced medium-firm feel, roughly a 6-7 out of 10 on the firmness scale, designed to suit a wide range of body types and preferred sleep positions. The gel-infused memory foam helps dissipate heat, supporting a cooler night while still conforming to your body’s curves for targeted support where you want it most.
- Medium-firm feel provides balanced support across back, side, and stomach positions.
- Gel-infused cooling helps manage temperature for longer, uninterrupted sleep.
- CertiPUR-US certified foam ensures safety standards and minimal odors on first use.
Built for safety and easy setup
The inner cover is fiberglass-free, using a flame-retardant rib fabric that prioritizes comfort and safety without fiberglass or harsh chemicals. The mattress ships in a compact box—unbox, unroll, and it expands to its full shape within about two hours, making setup straightforward for kids and caregivers.
- Fiberglass-free FR cover reduces skin irritation and breathing concerns.
- Low off-gassing with a typical mild new-mattress scent.
- Lightweight, box-ready packaging fits through bedroom doors for quick placement.
Quality, value, and versatility
MLILY uses global production with a strong U.S. presence; more than 90% of orders are fulfilled by U.S.-based factories, supporting faster delivery and consistent quality. The 8-inch profile is versatile for kid-friendly beds, daybeds, and bunks, helping you create flexible sleep spaces as children grow.
- Eco-conscious practices and thorough quality control across facilities.
- A compact, box-ready mattress that fits multiple space configurations.
- Ready to enjoy with simple care and everyday use.
Note: while comfort and support can vary by sleeper, many households find the MLILY twin mattress in a box to be a practical, adaptable sleep surface for smaller rooms and shared spaces.
FAQ
Q: Is this mattress suitable for a kid's bed or bunk setup?
A: Yes, its 8-inch profile and medium-firm comfort fit most single beds, daybeds, and bunks.
Q: How long does it take to expand after unboxing?
A: It unboxes, unrolls, and expands to full size within about 2 hours.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
- Choosing a selection results in a full page refresh.