Dermaleine fitted mattress protector waterproof and breathable for quality value for mattress thicknesses 16 to 20 cmdescriptiondermaleine mattress protector in very fine and soft fabric that creates an impenetrable barrier against dust miteszip on 1 sideintegral mattress cover stretch cotton jersey with polyurethane coating for maximum comfort fully waterproof and breathable for effective protection against bacteria and unpleasant odoursmicrostop laboratory tested anti dust mite