The Dream On Me 3" Portable Crib Mattress softly cradles your baby for comfort. This is a portable crib mattress which creates a cloudlike environment for your baby to sleep peacefully. Rest easy knowing this mattress is constructed with quality materials. A hypoallergenic, anti-bacterial waterproof cover aids in the prevention of mold, mildew and odor. Easily wipes clean with warm water and mild soap. Passes all flammability tests (16 CFR 1632 /1633) and also passes phthalate, lead and toxicity tests.