Drive Back Support Cushion 17 X 18 Inch Foam, 1 Count manufacturer_PTS Diagnostics there are 2 swivel casters

there are 2 swivel casters in place

extruded aluminum tubing and comes with a limited lifetime warranty

Hypalon cushioned grips allow you to get a firm hold to ensure safety

Woven finished edges minimize lint and loose threads

Drive Back Support Cushion 17 X 18 Inch Foam, 1 Count manufacturer_PTS Diagnostics there are 2 swivel castersThe Extreme Comfort General Use Wheelchair Back Cushion with Lumbar Support is perfect for patients who need additional support for their back or would just like extra comfort. The General Use Back Cushion uses a Durable Masonite board which is secured on the back of the unit and prevents swaying in sling back wheelchairs. The unit conforms to the lumbar curve which better supports the lower back. A sealed liner protects the foam core from moisture