Perfect for your child’s first big kid bed, the 2-in-1 Organic Kids Mattress offers a waterproof side for potty training – then easily flips to the quilted side for lasting comfort. This GOTS certified organic mattress features a waterproof layer made from non-GMO sugarcane and contains no glues, adhesives or polyurethane foam. Passes flame standards without fire retardants or chemical additives. Naturepedic kids mattresses are made without flame retardants, formaldehyde, polyurethane foam, fiberglass, vinyl/PVS, phthalates or GMOs – because big dreams start with organic sleep!