LinenSoft Mattress Protector -CAL KING- 100% Waterproof & Dust Mite Protection-Fits Mattresses up to 22" Cotton $9.99 SHIPPING on all orders to the continental US - FREE shipping for all additional items 100% Waterproof - repels all liquids including urine and sweat Dust mite barrier eliminates dust mites and bacteria Fits mattresses up to 22" deep with elastic all around the fitted sheet Fitted sheet style. Machine washable. Imported.