Little Dreamer Deluxe Twin is a dual-sided 6.5” thick premium foam mattress. One side offers standard support, while the other side features plush memory foam. This low profile mattress helps transition your child from the crib to a Big Kid Bed" without the scary height of most mattresses. From childhood accidents to teenage spills and mishaps, the Little Dreamer Deluxe WATERPROOF cover feature protects your mattress. This mattress is comfortably topped with a medical-grade, flexible performance, 4-way stretch-knit cover that delivers waterproof, hypoallergenic, anti-microbial, odor, and stain-resistant properties. Also includes a custom-fitted, washable mattress cover made with plush cotton. Featuring CertiPUR-US® certified foam infused with plant oils and wrapped in a woven fire barrier with no spray-on FR chemicals, our mattresses take sleep seriously. Moonlight products are made lovingly in the United States using only premium materials and innovative manufacturing processes. All Moonlight mattresses offer a Lifetime 8 year Product Warranty.