These underpads are known for staying up to four times drier than the competition! They feature air-permeability and maximum absorbency! They are also extra strength. The other fact that these pads made by Attends are known for, is that they have been proven to assist in decreasing Stage I and Stage II pressure ulcers. This is important for keeping patients happy and most importantly, healthy! The embossed pattern on this pad is for helping route moisture to the core. The top sheet is a durable, soft, cloth-like material and the back sheet is non-slip and also like-proof. There are two different sizes, 23”x36” and 30”x36”.