The Prevail Premium 30 x 36 Underpad is for heavy absorbency. It will protect beds. chairs and other furniture from accidental spills for an additional layer of protection. The super-absorbent layer will quickly pull and lock up liquid. It has a moisture-proof barrier for effective protection. It has an extra-strong construction that resists stretching and tearing even when wet. It is 30 x 36 inches large. Available in 10 per pack or 40 per case.