Micro fitted liquid proof midnight blue mattress protector top surface: 100% microfiber fabric bottom surface: 100% liquid proof pu membrane color: midnight blueproduct features: thanks to the air permeable micro pores, it does not sweat, does not irritate your skin and provides a comfortable sleep. it wraps around and does not slip under the duvet cover. the fitted mattress covers your mattress, you need to choose the same size as your mattress. 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. prevents bed stains. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.