• Cotton• PREMIUM MATTRESS PROTECTOR: Contains 1 Queen Size Mattress Protector, 60" x 80". The mattress protector"™s elastic extends through entire hem of the fitted sheet and contours to perfectly fit mattresses 6-21 inches in depth!• PROTECT THE WARRANTY OF YOUR MATTRESS: Microscopic pores in the 100% Waterproof membrane backing repel urine, perspiration, accidental spills, and all other liquids to keep your mattress safe from stains that could void the warranty on your mattress. Our mattress protectors and pillow protectors are noiseless and will not change the feel of your mattress or pillows. This is great for those with any type of mattress including innerspring, latex or memory foam.• TOP ALLERGY PROTECTION: Made with a superior cotton rich terry cloth top to create soft, breathable, and comfortable protection. The ultra-thin hypoallergenic fabric guards against bed bugs, dust mites, bacteria, and other allergens. This keeps you and your family happy and healthy!• EASY CARE: Machine wash warm, dries quickly on tumble dry low. Designed to outperform all other mattress protectors and pillow protectors. No ironing or expensive cleaning required!• We guarantee you''ll love your bedding!