✔ No Shifting or Bunching: Non-slip backing - with non-skid gripping dots.No matter how much you toss and turn during sleep, the Brosive underpad stays put.Do not worry your mattress will be wetted due to the pad moves around. ✔ Durable and Large Size: Large 36” x 72” inch(1 Pack);Ensures the generous coverage and the maximum protection on any size bed. The bottom layer is made of Polyester/Polyurethane,it is more durable than other PVC materials; withstand hundreds of use and washes test. ✔ Absorbant: Four layers protection, up to 8 cups of protection ensure your bed remains completely dry when accidents occur. Moisture is quickly absorbed into the pad and dispersed to protect your sheet and mattress from any liquid or bodily fluids and avoid middle of the night bed stripping.