Perlux Hypoallergenic Tencel 100-Percent Waterproof Mattress Protector, Full 100% Natural Eucalyptus Tencel Fiber Provides A Smooth Surface That Wicks Away Moisture Keeping The Body Cool. Breathable Hypoallergenic Membrane Protects Against Dust Mites, Fluids, Urine, Perspiration, Allergens And Bacteria (10-Year Warranty). Great For Those With Kids, Pets, Allergies, Asthma, Eczema Or Incontinence. Will Not Change The Feel of Your Mattress (Registered With The FDA As A Class 1 Medical Device). Fitted Sheet Style Design (Fits up to 14").