Micro fitted liquid proof white mattress protector mattress top surface: 100% microfiber fabric bottom surface: 100% liquid proof pu membrane color: white thanks to the air permeable micro pores, it does not make you sweat, does not irritate your skin and provides a comfortable sleep. it doesn't. you need to choose the same size as your bed for fitted mattress that fully covers your bed. our product is oeko-tex certified. it complies with european standards, does not contain any harmful substances. the upper surface is soft fabric. the bottom surface is laminated with a protective pu membrane. it protects your mattress and prolongs its life thanks to the liquid-proof membrane on the bottom. it prevents bed stains. it provides you a quality sleep by providing protection against dust mites and other allergens. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.