Meritlife Premium Waterproof Queen Size Mattress Protector Cooling, Queen). 35% Bamboo (More Breathable) + 65% Polyester (Softer) ??100% WATERPROOF NOISELESS: Back of MERITLIFE mattress cover is top TPU, an invisible waterproof barrier to protect your expensive mattress.They effectively repels all liquids, including accidental spills, bodily fluids like sweat or urine, thus making a clean,healthy sleeping environment.Our mattress Protectors are silent and will not make plastic sound. ??SOFT SMOOTH BREATHABLE BAMBOO:Made of Eco-friendly Natural Bamboo,the combination with polyester creates an Ultra Soft fabric with moisture wicking function.Our Mattress Protectors are relatively more cooling,softer than cotton terry ones. ??NEW UPGRADED 3D AIR FABRIC: The fillings of Meritlife waterproof Mattress Protector surface is 3D Air Fabric, which only allows air in, but repel liquids.There won?t be any crinkling or plastic sounds when you move. ??18 INCH POCKET FITS NICELY:All size fit up to 8"-21",18 inch deep pocket is designed for all types of mattresses including memory foam, latex or spring.The highly elastic skirt is made of mesh fabric and has excellent ductility to accommodate mattress of various thicknesses to prevent the mattress from moving. ??CUSTOMER SERVICE WASHING INSTRUCTION: We provide 30-day Return/Replacement Service.If you are not satisfied FOR ANY REASON, Pls contact our Customer Support and we will do everything to make you 100% satisfied. Machine wash cold separately on GENTLE/DELICATE cycle.Tumble dry on low.Do not bleach.Do not dry clean.We suggest you buy 2 pieces or more, so you can change one while wash the other.