The perfect mattress deserves proper protection. The protector blends a super soft cotton jersey sheet with a Neotherm® membrane, which is both waterproof and breathable. Features: -The cotton jersey material is comfortable and super soft. It also gives greater flexibility and – conveniently – you don’t have to iron it.-The protector also keeps out dust mites and can be washed at up to 90C. Although 60 is plenty hot enough to kill anything that might be living in or on it.-The protector does..