Our terry towel pillow protector is comfortable noiseless skin friendly soft and cool. Pillow protectors are made of the finest selection of fabrics, 100% Microfiber, and on top of that it is waterproof. A pillow protector can prevent the build-up of dust mites and other allergens that can trigger symptoms. Using a pillow protector can prevent the build-up of dust mites and other allergens that can trigger symptoms. Terry Towel waterproof pillow protectors are designed to improve sleep quality and help you relax whenever you lay your head on the pillow. protects your pillows from dust mites, bed bugs, oil, sweat, and other allergens, so you can enjoy a peaceful sleep at all times. White Noise