Drive Back Support Cushion 17 X 18 Inch Foam, 1 Count manufacturer_PTS Diagnostics The ultra-thin liners also make

The ultra-thin liners also make for a more comfortable wearing experience

there are 2 swivel casters in place

extruded aluminum tubing and comes with a limited lifetime warranty

however it's main purpose is to protect beds

Drive Back Support Cushion 17 X 18 Inch Foam, 1 Count manufacturer_PTS Diagnostics The ultra-thin liners also makeThe 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