Designed to fit like a fitted sheet around your mattress, our blended OmniGuard® Advance and Celliant fiber 5-Sided protectors are breathable, quiet, completely washable on hot settings and provide a physical barrier against allergens, dust mites, stains, moisture, mold and mildew. Designed to promote a temporary increase in blood flow†, clinically tested Celliant fibers promote increased performance, faster recovery time from physical activity and help to promote restful sleep.