100% Cotton? LUXURIOUS COTTON SATEEN MATERIAL – FeelAtHome??s luxury 100% cotton sateen pillow protector features a full waterproof membrane for waterproof coverage. Protect your pillow against perspiration, body fluids, saliva, spills, liquids and stains? HYPOALLERGENIC, ANTI-DUST MITE – High quality anti-allergens, anti-bedbug and anti-dust mite pillow covers. Sleep tight and soundly at night without having to worry about germs, allergens and other allergy triggers on your pillow? NOISELESS FABRIC – Made of a breathable, noiseless fabric material, the pillow bed cover ensures that you have a comfortable deep rest after a long tiring day. Comes in all pillow sizes of Standard, Queen, King and Body Pillow? ZIPPERED PROTECTION – The pillowcase protector has a zipper for full, secured coverage and closure of your pillow. This form of pillow encasement prevents stuff like dirt, strands of hair and other allergens from entering your pillow? MACHINE WASHABLE, 100% SATISFACTION GAURANTEED – FeelAtHome??s hypoallergenic waterproof zip pillow protector is machine washable. If ever you are not satisfied with it, we offer a 100% money-back guarantee!