Deluxe Comfort! Our Cozy Bassinet/Cradle Mattress will provide your baby with the best environment for a good night's sleep. Made of safe, performance-tested, CertiPUR-US® certified foam for a firm surface that is recommended for your child's early development. The tear resistant and waterproof white cover is easy to clean for those inevitable messes. Mattress passes all national and state flammability standards—without the use of harmful chemicals.