The BabyLuxe Orthopedic Crib Mattress features 126 heat tempered, heavy duty gauge steel coils. The Orthopedic 126 Coil Crib Mattress from Babyluxe also features a heat tempered 6 gauge border rods for extra strength and support. Flex-Edge clips for the ultimate in mattress side edge support coupled with flex-o-lator wire steel mesh prevents loss of cushioning material. The Orthopedic Crib Mattress has an insulator pad for unsurpassed durability and blended cotton batting for unsurpassed comfort. The specially treated anti-bacterial, non-toxic, tear and water Resistant, triple laminate cover has air vents that help to keep mattress fresh. Meets All Federal And State Flammability Standards.