ECO BOOM bamboo diaper pants, 100% bamboo nonwoven backsheet and top sheet makes it biodegradable and also allow air-circulation inside to keep bottom dry. All bamboo nonwoven are with FSC certificate which can be fully biodegradable. With high-quality super absorbent material from Germany to lock liquid and keep surface dry. Bamboo pants have a 360°super elastic waist area. Baby wearing it will feel like small underwear suitable for outdoor activities. There are 4 sizes to choose: M, L, XL, XXL.