






🛌 Sleep smart, live refreshed — the mattress your lifestyle deserves!
The MLILY Twin Mattress in a Box is an 8-inch medium-firm memory foam mattress designed for kids’ beds, daybeds, and bunk beds. Featuring gel-infused foam for cooling comfort, CertiPUR-US certified materials, and a safe fiberglass-free flame retardant cover, it balances support and pressure relief. Over 90% of orders are fulfilled by U.S. factories, ensuring consistent quality. Delivered compressed for easy setup, it expands fully within 2 hours, making it a hassle-free upgrade for better sleep.







| Best Sellers Rank | #1,931 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #8 in Mattresses |
| Brand | MLILY |
| Customer Reviews | 4.5 out of 5 stars 2,659 Reviews |
| Item Firmness Description | Medium Firm |
| Item Weight | 27.5 Pounds |
| Product Dimensions | 75"L x 38"W x 8"Th |
| Size | Twin |
| Top Style | Tight Top |
T**Y
Perfect Twin Mattress for Kids – Comfortable and Great Quality!
We bought this MLILY twin mattress for our child’s bed, and it has been a great choice. The mattress arrived well-packed and expanded quickly. It’s the perfect thickness for a kid’s bed or bunk bed, with just the right balance of comfort and support. The memory foam feels soft but still medium-firm, which helps with good sleep and posture. There was no strong odor, and the quality feels very solid for the price. Our child sleeps comfortably and wakes up happy every morning. Made in the USA and an Amazon’s Choice product—this mattress definitely met our expectations. Highly recommended for kids’ beds, daybeds, or guest rooms!
K**N
Perfect 5-Inch Mattress for a Larger Double Bed
I was looking for a mattress for my double bed that I sometimes convert into a larger bed, and this 5-inch mattress has been exactly what I needed. It’s the perfect balance of comfort and support soft enough to sleep comfortably but still firm and sturdy enough that it doesn’t sag or feel flimsy. The memory foam adapts nicely to the body, giving good lumbar support even for adults, while still being ideal for everyday use. Setup was easy, it expanded quickly out of the box, and there was no strong odor at all. The size and thickness feel just right for a double tolarge bed setup, and overall it’s a well made, comfortable mattress that I’m really happy with.
A**A
Very Firm...
Got this mattress for a kid’s bed and it’s been a great buy so far. It has a nice medium-firm feel that offers good support while still being comfortable to sleep on. The mattress expanded fully within a few hours and there was barely any odor after opening. For a 5-inch mattress, the quality is better than expected and it fits perfectly on a bunk or daybed. Pros: supportive yet comfortable, lightweight, easy to set up, made in the USA. Cons: on the thinner side, so may not be the best choice for adults wanting a plush feel.
C**Y
Great mattress without wiping out your bank account
This twin mattress is perfect for a kid’s bed or daybed and offers great comfort for its size. The medium-firm memory foam provides just the right amount of support without feeling hard. It expanded quickly after opening and had no odor. The mattress feels well made and supportive for sleeping or lounging. I like that it’s made in the USA and fits perfectly on a twin frame or bunk bed. Overall, it’s a great quality mattress at a very good value.
K**K
Highly recommend!
Very comfortable. This was for a trundle to a queen, and is nicer than the queen mattress!
P**K
Real good quality
I would give the MLILY 5-inch Twin Mattress a full 5-star recommendation because it’s comfortable, supportive, and perfectly designed for kids’ beds. The medium-firm memory foam feels just right—not too soft or too hard—and provides good support for growing bodies. The low 5-inch profile makes it ideal and safer for bunk beds, daybeds, or trundles, and it was very easy to set up right out of the box. I also really like that it’s made in the USA and uses CertiPUR-US certified foam, which gives peace of mind about safety and quality. Overall, it’s an excellent value and a great choice for a child’s bedroom or guest space.
A**.
Great Twin Mattress for Kids – Comfortable & Supportive
The MLILY 6-inch twin mattress expanded quickly, has no strong smell, and offers great medium-firm support. Ideal for bunk beds or daybeds, and my child sleeps very well on it. Great quality for the price I recommend to purchase it
Y**E
Perfect bedside floor bed for baby.
I bought this for my 10-month-old to sleep on right next to our bed. I was so worried about finding the right size, but it fits the gap perfectly! The quality is great, and it’s very comfortable. It's the perfect solution for co-sleeping safely in the same room. I’m very happy with this purchase! It arrived well-packaged and expanded quickly. It feels soft yet supportive for a baby. If you're looking for a mattress to fill a specific gap for your little one, this is it!
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1 month ago
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