onguard!® bed bug mattress protector encasementBed bugs are a public health pest that can find their way to your home by traveling on shoes, luggage, and clothing. The goal is to reduce their hiding places to prevent an infestation and to protect your investment in your mattresses and box springs. To do that, we've created our onguard! box spring and mattress protectors encasements. They are made of 100% polyester tightly woven to be anti microbial, anti allergen, flame retardant, waterproof, dust