The ClevaMama® Tencel Waterproof Mattress Protector is soft, breathable, waterproof and absorbent. Made of 100% Tencel from the Eucalyptus tree and a polyurethane waterproof under layer. An easy, practical and discreet way of guarding against wet beds and damaged mattresses. Tencel is a sustainable fabric, made from 100% biodegradable wood cellulose. Textiles of Tencel are softer than silk, cooler than linen and even more absorbent than cotton, it is also resistant to wrinkles. This eco fabric has natural breathability and 50% greater moisture absorption than cotton, helping to keep your baby cool even on the hottest nights. Due to this ability the growth of bacteria is inhibited, as well as mould and mites. In addition to that the polyurethane layer acts as an anti-allergy barrier. Machine washable at 60° and tumble dryer safe.