Clean Rest Premium Water-Resistant, Allergy and Bed Bug Blocking Mattress Encasement, Full 100% Microlux 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 Patented zip-n-click closure prevents bed bug migration Micronone microlux fabric is water resistant 10 year warranty Full size encasement fits 54x75