This Micro-Fresh treated travel cot mattress protector with a velour face and waterproof backing combines luxury with practicality so your child is guaranteed a good night’s sleep when away from home. åÊ Washable at 40å¡C the knitted polyester skirt will fit the mattress well for all-over protection. åÊ The Micro-Fresh technology helps to keep your baby’s bedding stay fresher for longer. The active ingredients in Micro-Fresh inhibit the spread and growth of bacteria by up to 99.99% and remain active wash after wash. It uses materials naturally occurring in our environment that are kind to human skin.