Saddle Zero Elevation Wheelchair Cushions with 3-D Gel PackZero elevation cushion reduces hip rotation and pelvic obliquity With new, improved Quadra 3D gel pack Supple polyurethane bladder conforms to the user's body, providing even greater pressure relief Promotes proper leg alignment Contoured leg adductors increase overall seating surface area, helping to redistribute weight and reduce pressure 1 each CUSHION MATERIAL Gel Foam CUSHION TYPE Saddle DEPTH INCHES 16 ",18 " LATEX FREE Yes LENGTH INCHES 18 ",20