Fully protect your health and mattress investment by using Protect-A-Bed Student Bedding Protection Kit with AllerZip mattress and pillow encasements. AllerZip mattress encasements feature our Patented (US Patent 7,552,489) BugLock three-sided zipper and innovative Secure Seal which completely locks the encasement in place. The AllerZip mattress encasement is completely Allergy escape and entry proof. The soft smooth surface is waterproof and stainproof, featuring our innovative Miracle Membrane with the Total Heat Transference Formula. Liquids and stains stay out, yet the state-of-the-art AllerZip mattress protector remains breathable and comfortable.