The unique contours of the cushion aid in pain relief and the U-shaped design alleviates pressure from your tailbone. This ergonomic seat cushion measures 17.6 x 13.8 x 2.75 inches. Buy ComfiLife ...

Material: Memory foam | Dimensions: Seat cushion (15.5 x 18 x 4 inches), lumber pillow (16 x 16 x 4 inches) and foot cushion (10.5 x 17 x 5 inches) | Shape: U-shaped | Positioning straps: Yes What ...