Waterproof pads to protect sheets, mattress or furniture. The Dynarex Underpads are highly absorbent liners for use during medical procedures and care for adult incontinence. The underpads feature a waterproof, non-skid backing which is sealed on all four sides to prevent leakage. Waterproof pads to protect sheets, mattress or furniture. Highly absorbent, soft fill. Non-skid blue backing. Sealed on all four sides to prevent leakage. Underpads with polymer offer extra absorbency and protection. Disposable Underpads are not biodegradable. Case Quantity: 3/50/cs