Protect your mattresses from stains and liquids with these waterproof fitted sheets. The bed sheet is made of 100% cotton flannel with a special coating. It makes the mattress cover waterproof but still soft and nice against the skin. The cotton flannel fabric is breathable to keep you cool in summer and warm in winter. Additionally, the sheet fits mattresses with a thickness up to 20 cm thanks to the elasticated edging all around. What\'s more, the mattress protector is particularly suitable for households with babies, toddlers and animals. The fitted sheet is machine washable and dries quickly.