Wings Disposable Underpads contains both fluff and a super-absorbent polymer for maximum fluid retention to reduce odor and keep wetness away from skin. Disposable underpads feature a prolypropylene backing that delivers maximum surface protection. Available with tuckable flaps or adhesive strips: Peach-colored pads feature flaps that tuck under the mattress to keep pad smooth and in position. Light Blue pads have convenient adhesive strips that stick fast to keep it firmly in place.