Universal Fit: The deep pocket waterproof twin mattress protector measure 39" x 75" and 360 extra strong wide elastic design for almost all types of mattresses and air mattress from 8" up to 14" for guests or travel comfort. 2 Pack twin mattress protector have strong ductility to prevent movement so that mattress protector stays in place and does not bunch up,giving you peace of mind all night. 100% Waterproof: Magik & Kover waterproof fitted sheets 2 pack are made of high quality TPU waterproof membrane,provide protection from all other liquids,including fluids,perspiration,bed wetting,and stains. 2 pcs replacement waterproof fitted sheet will give the mattress premium protection to keep clean and comfy. Highest Quality: 2 pack waterproof mattress cover are made of skin-friendly microfiber,woven into a soft and comfy jersey,so waterproof twin mattress cover is incredibly soft,silky,and cool to the touch,providing you with superb feel,Its a choice for family with babies,the elderly,and pets. Twin size mattress protector strong enough to last a long time,ensuring many restful nights. Easy to Care & Machine Washable: Magik & Kover mattress protector are fade-resistant,anti-static and wrinkle-free,making them a breeze to care for. You can hand wash them or gentle wash to a max,tumble dry low heat,iron on low heat,but do not dry clean,do not bleach. Satisfaction Service: We will do our to serve you until you are satisfied. If for any reason you are not satisfied with 2 pack waterproof mattress protector,please contact us directly..