Rest easy with this healthy crib mattress, made exclusively for giggle by Naturepedic. The 252 coils provide excellent support, while heat-sealed seams keep moisture away from the organic cotton filling. Plus, it eliminates the potentially harmful chemicals commonly found in crib mattresses, for a healthy night's sleep. Material: 100% polyethylene food-grade waterproof surface (No vinyl/PVC, phthalates, or antimicrobial biocides) U.S. grown and certified organic cotton filling (No polyurethane foam or latex) Dimensions: 52" L x 28" W x 6" H