Salk CareFor Economy Underpads feature a 7 oz poly/rayon soaker to absorb and trap liquids. The washable bed pads have a quilted design with a Ibex, 80% cotton and 20% poly top layer. This waterproof bed pad has a PVC/polyester back cover that is completely waterproof. The sturdy quilted construction allows the underpad to maintain its shape and last through repeated laundering. Available in 6 sizes. Bed pad sizes and Chair Pad size available.