Naty´s Eco Nappies is the leading eco-friendly disposable diaper in the world. There are no phthalates, organotins (MBT, DBT, TBT), heavy metals, TCF (Total Chlorine Free), HCHO (formaldehyde), colophonium, AZO-pigments, PVC, and substances known as harmful to health or the environment. Naty is certified free of ALL known allergens or substances classified as locally irritating, sensitizing, carcinogenic, or mutagenic.