Welcome to the store! 100% Cotton: Our mattress protector is made of 100% cotton, which is extremely soft and comfortable, giving you a pleasant sleep. 100% Breathable: Pure cotton has excellent thermal resistance, no plastic layer, 100% breathable and quiet. You can sleep soundly all night without sweating. Optimal Hygiene Protection: The mattress cover can protect your mattress from sweat, moisture, and dirt, but it is NOT waterproof. It will not irritate your skin. Pregnant women and children can use our cotton mattress protectors with confidence. Safe and Durable: The quality of this mattress protector meets German testing standards and is free from harmful substances. It does not damage fibers and can be washed, ironed, and dyed as needed without deformation. Suitable for All Mattresses: With 4 corner elastic bands, you can flexibly adjust the mattress height (5 to 35 cm). It is very easy to open without slipping and fits your mattress perfectly.