McKesson Enema Bag Set, 1 Case of 50 Hydrocollator Moist Heat Packs 20 X 18 * The MSHQ 84306 20 X 18 * The contoured design combined with the simple operation of the ISOFLO© Memory Control unit offers provides a new level of postural control and stability that has never been achieved in an air cushion * The contoured design positions the pelvis back in the wheelchair and centers the individual comfortably in the middle of cushion * The ISOFLO Memory Control unit locks air into each of the four compartments providing stability by minimizing side to side and front to back motion * Adjustable to individual Higher ankle strap ads stability Single use Non Sterile