*Returns not accepted on any opened, used, or defective product. Contact manufacturer customer service directly for defective products/parts. From Lullaby Earth, this mattress features: The dual-firmness design flips from a firm infant side to a cushion firm toddler side. Easy to clean non-toxic food-grade waterproof surface  No harmful chemicals and no flame retardants  No toxic chemical odors/smells   waterproof hygienic 2 stage design - firm infant side / cushion firm toddler side  Seamless edges - easy to wipe clean  Lightweight for easy sheet changing  Proper support for infants  Extra firm edge support for jumping toddlers  Made Safe Certified  GREENGUARD Gold Certified  UL Formaldehyde Free Verified  No vinyl, phthalates, polyurethane foam, flame retardant chemicals or barriers, formaldehyde, pesticides, GMO's, glues/adhesives, etc.  Recommended by Zero Toxics Product Registry, Allergy Kids Foundation, Healthy Child Healthy World, Kids for Saving Earth, Green America, American Sustainable Business Council, Clean Production Action, and more.  Dimensions: 27 1/4" x 51 5/8" x 6" The Lullaby Earth Healthy Support crib mattress is made right here in the U.S.A. Lullaby Earth Healthy Support Waterproof Crib Mattress 2-Stage Dual Firmness