This Protect-A-Bed waterproof polyester pad is completely waterproof and attaches to the mattress with elasticated bands. This provides excellent protection for the mattress, especially for Zip and Link beds. Elasticated bands. Soft 100% polyester towel sleep surface. Waterproof miracle membrane. Allergen barrier. Lightweight, stretchy and undetectable. Air vapour porous. Keeps Human body fluids out. Prevents growth of bacteria in the mattress. Keeps dead skin cells out No stains on the sleep surface Easy care / wash hot / tumble dry Prolongs the life of the mattress Double. 135(W) x 190(L)cm