This is a portable back/seat cushion holder that provides added comfort to the back and seat of any 18" chair. It cushions the back with a 1.5" foam insert and has an open pocket for any 18" x 16" cushion to be inserted. These cushions are shown elsewhere. This product enhances comfort and prevents pressure sores. It is covered with a stretch, wipe clean Low Shear II removeable cover. The cushion folds up and is convenient to carry with a velcro loop. The cover can be laundered once the cushions are removed.