The Encase® HD Mattress Protector will completely protect all sides of your mattress and can help eliminate bed bugs. The Encase® is backed by the laboratory certified H2Pro® Membrane has microscopic pores that allow air to permeate while blocking larger molecules like liquids, viruses, bacteria, dust mites and allergens, creating a liquid proof, noiseless and breathable barrier. Pillow protectors are also available to create a healthy sleeping environment.