Waterproof Mattress Cover - Twin Size 61 x 76 x 16 Inches - Premium Hypoallergenic Mattress Protector Protects Against Dust Mites, Fluids, Urine, Perspiration, Allergens And Bacteria (10-Year Warranty) Ultra-thin with a cotton terry surface , will not change the feel of your mattress. Great for asthma, eczema and allergy sufferers. SAMAY is a registered trademark and best-seller of Bedding Products.