Wings Plus - Breathable Incontinence Underpad, Heavy Absorbency features a breathable backing, making them ideal for use on low air loss beds and helping to eliminate skin breakdown. Wings underpads combine a unique 6-ply compressed tissue system with a super absorbent polymer to produce waterproof pads that eliminate leaks and neutralize odors. Size: 30" x 36" or 23" x 36" (76.2 cm x 91.4 cm).