Our high-quality crib mattresses are made in Minnesota and designed to provide the recommended firm support for your baby using only the safest materials. This crib mattress has a support system of connected innerspring coils, plus comfort layers of organic cotton, a non-toxic natural fire retardant fiber made from wood pulp and CertiPUR-US® certified foam—a low-VOC foam that contains no flame-retardant chemicals, lead, mercury, formaldehyde or CFCs. Designed for infant and toddler use, this flippable, two-sided mattress is made to last.