PureBorn nappies are made from organic bamboo, up to 43% absorbent core per nappy. They are dermatologically tested and totally tree free! No trees have been harmed in the making of our nappies. Soft materials have been used in the inner and outer layers of these nappies making them feel smooth against babies' sensitive skin. They have been designed to maintain your child's comfort during fun-filled days & sleepy nights with the assurance of allowing free movement with maximum comfortability as well as optimal performance. They're Vegan & Cruelty-Free & do not have any ingredients of animal origin. Never tested on animals and are certified and approved by V-label & PETA. Free from Heavy Metals, Allergens & Pesticides.