100% Polyester, 240 Gsm A Must for Your Little One: Looking for an easy and comfortable way of transitioning your little one from crib to regular bed sleeping? Would you like to make sure your child enjoys proper resting position and optimal body alignment throughout the night? The NapQueen Rainbow twin foam mattress is the perfect choice! High Density Memory Foam: This memory foam mattress twin is made using premium quality, carefully selected materials, a combination of 4” high density egg-shell base foam and 1” memory foam top, designed not to deform and withstand the test of time. Choose Your Favorite: Our Rainbow single mattress collection is available in 4 different colors, Blue, Grey, White and Pink, allowing you to add a splash of color to your kid’s bedroom decor, while keeping their transition fun and creative! Comfort Is Key: Unlike similar products on the market, our twin memory foam mattresses increase air flow and keep the skin breathing throughout the night, contributing to a comfortable and restful sleeping experience. The superior quality memory foam ensures excellent body position and spine alignment for all kinds of sleepers. Versatile Choice: The NapQueen toddler mattress has classic twin measurements and will easily fit bunk beds, trundle beds or twin beds. Each mattress arrives fully compressed and is easy to carry around, for a DIY user-friendly installation.