My Total Encasement Mattress and Pillow Protector bundle acts as a waterproof barrier against accidental spills and bedwetting, protecting your mattress from stains. The silky soft Omniguard® Advance fabric is a new-age breathable barrier fabric that you won't even know is there! Featuring a six-sided protection with a zipper on underside for total encasement of the mattress. Not only is it mold and mildew resistant, it also protects against bed bugs as well as prevents dust mites from entering your mattress! Plus the zippered pillow slip style makes removal easier than ever and the natural cotton terry surface is breathable and ultra-soft. It's easy to use and easy to clean!