With a soft and quilted layer, this Micro-Fresh treated cotbed mattress protector washes at 40°C, tumble dries on a low heat and dries quickly, letting you easily pop it back on before bedtime. 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.