150 Disposable 23" x 36" Housebreaking Pads Chux Absorbant Puppy Dog Pee Training Underpad Disposable Underpad 23" x 36" 45g weight with Multi-layer construction Top sheet is a soft, non-woven fabric The blue polyethylene backsheet protects against leakage Middle layer is comprised of multiple layers of embossed tissue that works to channel moisture away from the initial point of contact