Regardless of the model you select, all Naturepedic crib mattresses are free from harmful chemicals including flame retardants, vinyl/PVC, polyurethane foam, phthalates, biocides, perfluorinated compounds (PFAS) and other questionable materials. They're also waterproof and easy-to-clean to help keep things hygienic and ensure your baby won't be breathing mold, bacteria or other microbial growth. Finally, they're 100% certified organic. That means they're made with certified organic and non-toxic materials for a healthier more natural sleep. With Naturepedic, you won't have to compromise on health, safety or convenience!