AIR-Plus Underpads are designed for use with low-air-loss bed systems. Microporous backsheet allows heat, air and moisture vapor to escape improving air circulation. These underpads allow air circulation to support skin integrity while preserving the mattress and bed. Soft, consistently smooth even surface minimizes pressure points and shear/friction concerns.- Underpad, 30" x 36", 34.0 fl oz Capacity, 10/pk, 4 pk/cs 14-21 Days