Given the everyday little accidents that can occur, waterproof fitted sheets are recommended to avoid staining the mattress! This fitted mattress protector is available in 5 sizes. Top side in pure cotton fleece (180 g/m2). Waterproof polyurethane-coated underside. Fleece band with elasticated corners for a secure fit. PLUS DETAILS : Easy care: can be hot-washed for deep down hygiene and is also suitable for tumble drying.