The waterproof jersey fitted sheet reliably stops any liquid and is quickly dry again after machine washing. The high-quality fitted sheet is the ideal companion for a restful sleep of your baby. The waterproof BABYSANA sheet reliably protects mattresses from unwanted moisture. The fitted sheet is made of 100% cotton and is therefore particularly kind to the skin. The moisture barrier layer consists of 100% polyurethane and makes the mattress cover completely impermeable to water and urine and also protects against dust mites. For optimal hygiene, the bed insert is washable and boil-proof up to a temperature of 95 ° C. Confidence in textiles - Oeko-Tex Standard 100 Class 1 tested for harmful substances by the Hohenstein Institute (test no.:11.0.86164)