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! 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.