Optimum Comfort Gel Cushion 18 x 18 x 3

Optimum Comfort Gel Cushion (18 x 18 ) * Unique channeled gel bladder prevents gel migration in high-pressure areas * Gel channels provide relief over the entire cushion area * Foam base provides additional support * Inner foam core has a liner to protect the integrity of the foam * High-end cover with straps. * 18 x 18 x 3