If you've a new mattress or just want to preserve the one you have this king size waterproof mattress protector is just what you need. No matter what kind of mattress is on your bed, this cotton top mattress guard will help to keep it looking great year after year. The breathable, waterproof membrane repels fluids that can leave a permanent stain and odor on your bedding. If you get overheated while sleeping, spill your late night snack or have accidents from potty training toddlers this king bed mattress protector will wick away moisture and block stains from reaching your mattress. The elasticized fitted design stretches up to 18 inches deep to accommodate most mattresses and is noiseless for a restful nights sleep. Rest easy knowing that this mattress protector is vinyl and phthalate free. This hypoallergenic king size mattress protector inhibits the growth of bed bugs, dust mites and other allergens which may provide relief to allergy and asthma sufferers. The snug fitted sheet design makes this mattress shield easy to take on and off and is completely machine washable for your convenience. Whether its your long term bedding or a temporary sleeping arrangement, a mattress can be a significant investment so protect your sleep space and your warranty by preventing stains with this king size mattress protector.