An economical and convenient choice! Heavy-duty pads are machine-washable for repeated use. Durable design resists tearing and shedding. Pads retain liquid (Small: 3 cups; Large: 8 cups) without spilling or leaking. Waterproof, non-slip backing keeps pads in place to protect floors, carpets, and more. The same design that is used in professional health care. Small pads measure 17" x 17" and are packaged in a two-pack. Large pads measure 23" x 36" and are packaged in a single-pack.