Clean Rest Fitted Mattress Cover, King Microplush Imported Micronone fabric technology provides a breathable barrier that blocks bed bugs and all micro-toxins larger than one micron like dust mites, mold spores, pet dander and pollen Side wall's stretch from 12To 21Making installation and fit trouble-free Micronone microplush fabric is waterproof 10 year warranty King size protector fits 78x80