Warmies® are made from bamboo, the fastest growing plant on earth. 100% NATURAL: no dyes or bleaches. This highly renewable resource is fully biodegradable and naturally anti-microbial, making Warmies® more environmentally friendly than disposable wipes. Babies love the ultra soft texture of Warmies®, while parents love the absorbency. Warmies® are the more responsible way to wash, and perfect for all of babies delicate needs.