The Meyco Molton bed cover is made from 100% brushed cotton with PU interlayer. You place the bed sail between molton and fitted sheet at the height of your child's buttocks. The bed cover is waterproof but ventilated and protects the mattress from moisture and dirt. This keeps the mattress hygienic, clean and the mattress lasts longer. Available in sizes: 40 x 50 cm (cradle), 50 x 90 cm (crib) and 75 x 100 cm (junior). Features: 100% cotton with PU interlayer, soft and comfortable for sensitive baby skin, waterproof but breathable, washable at 95 degrees Celsius, therefore hygienic, excellent mattress protection