PROTECT YOURSELF FROM BEDBUGS. Experts say that covering your bed with bug-proof linens is the #1 way to prevent an infestation. This zippered mattress cover gives you 3-layer protection against bedbugs, dust mites and other allergens. It provides total mattress encasement with seam binding and interior barrier flap. Easy on/off stretch and deep sides fits most mattresses. Waterproof and stain-resistant. Machine wash and dry polyester.