The L.A. Baby Ultimate 2-in-1 Crib & Toddler Mattress helps keep your child dry and warm. This mattress has a premium open cell foam encases the foam core to provide extra support and comfort, which makes it durable and ensures it retains its shape for a long time. It is hypoallergenic that ensures allergens are kept at bay. Organic cotton layer and natural coconut fiber layer on the infant side to offer extra support to be newborns, and a premium latex layer on the toddler side to provide extra support and comfort. It is water and fire resistant that ensures years of reliable use. The mattress is easy to care for and can be wiped clean with a damp cloth to keep it clean and fresh. Lifetime warranty.