The LA Baby 2-in-1 dual-sided crib mattress has a firm infant side that provides better support, and the toddler side features double USDA certified Organic Cotton layers for enhanced comfort. Deluxe Jacquard fabric cover is 100% waterproof, anti-microbial, phthalate free, non-toxic, non-allergenic, stain resistant and Easy to keep clean. 182 heavy duty 15.5 gauge steels coils provide maximum durability and support to baby’s developing spine. Air-vents to promote a fresh mattress and cloth binding to prevent edge seams from splitting. Proudly made in the U.S.A. from domestic and imported sources.