Queen Size Perlux Hypoallergenic Tencel 100% Waterproof Pillow Encasement - Vinyl, PVC, Phthalate and Pesticide Free - Includes Set of Two 100% Natural Eucalyptus Tencel Fiber Provides A Smooth Surface That Wicks Away Moisture Keeping The Body Cool Membrane Back Coating Protects Against Dust Mites, Fluids, Urine, Perspiration, Allergens And Bacteria (10-Year Warranty) Great For Those Who Suffer From Allergies, Asthma, Eczema or Bed Bugs Will Not Change The Feel of Your Pillow (Registered With The FDA As A Class 1 Medical Device) Zippered Design Fully Encases Pillow Queen Size: 21" x 31" - Includes Set of Two