It's important that sheets fit neatly around your baby's mattress for comfort and safety. The Silentnight Safe Nights fitted sheets are an essential for every nursery. Made from 100% cotton which is soft and breathable with your babies' comfort in mind, always. The handy 2 pack means you will always have a spare. The sheets feature elasticated edges to provide a snug fit to your babies' mattress. Produced in an OEKO-TEXÂ certified factory, this product has the ultimate seal of approval for safety standards. Fully machine washable and can be tumble dried on a low heat. The sheets are durable and designed to stand the test of time, they have been tested to withstand 50 washes. Part of Silentnight's award-winning Safe Nights collection, creating safe and breathable products for your baby.