These McKesson Ultra Under-pads have a Ultra absorbent polymer that locks wetness away and reduces pH of urine for advanced odor control and skin wellness for heavy incontinence. They come in size 30 X 36 Inch. The Unisex Fluff core with superior mat configuration, Heat-sealed, non-woven edges are gentle on skin. Elegant Peach back-sheet. Comes with a Soft, non-woven bonded top-sheet promotes rapid fluid acquisition. The Super absorbent polymer locks wetness away and reduces pH of urine for advanced odor control and skin wellness. Not made with natural rubber latex.