The Colgate Foam Supreme II Crib Mattress is made from the highest quality components and they are all hand assembled in the USA. They are designed to fit all standard sized baby cribs as well as toddler beds. The mattress has passed all requirements by the state for flammability and chemical composition. Cloth binding gives it extra strong seams. It is performance tested and certified. The mattress cover is tear resistant and waterproof. This feature allows for easy cleaning and durability. It has been Greenguard Gold certified that it has no harmful emissions.