Mibio Mattress Protector & Allergen Mattress Cover Allergy Pads - Queen, King, Twin, XL, Full, Pillow Top and Crib Sizes. Waterproof Covers, Mattress Cover, Pad, Mattress Protector - Twin Size Cotton 100% Waterproof - Premium Fitted Style mattress protector blocks perspiration, bed wetting, liquids and stains; 10-year quality guarantee (NOTE: For frequent accidents and easy clean-ups, buy our zippered Mibio Mattress Encasement and place it under the fitted protector). Bacteria and Dust Mite proof - Cotton Terry Surface With Membrane Back Coating (Waterproof, Noiseless and Breathable) - use with a Mibio Mattress Encasement. Hypoallergenic - Blocks dust mites, allergens, bacteria, mildew and mold. Will Not Change The Feel of Your Mattress. For ultimate allergy relief, buy together with Mibio Pillow Protectors. Soft & Noiseless - 100% terry cotton top; Wicks away moisture; Retains the feel of your mattress - Free from Vinyl, PVC, Phthalates, fire retardants and other toxic chemicals. Great for Those With Kids, Pets, Allergies, Asthma, Or Eczema. Fitted Sheet Style Design - Twin Size Mattress Protector 39" x 75" - Fits up to 14" deep - Machine wash & dry. Buy 1 for each bed in your house.