Product Detail Extra firmness and durability and edge support from 176 thick 13.5 gauge steel coils and 9. gauge steel border rods Extra comfort provided by two cushioning layers: natural cotton batting and eco-friendlier hypoallergenic foam Ecologically friendlier foam cushioning made with plant oils replacing much of the petroleum based oils Natural and renewable coir fiber insulator pad made from coconut shell husks provides long-lasting comfort and durability Natural soft yarn sleep surface cover with a wetproof backing . The "Colgate EcoSpring Diploma Crib Mattress, Ecru" is best product for you. We recommended Colgate EcoSpring Diploma Crib Mattress, Ecru