Black Mesh Lumbar Support Comfortable Adjustable Breathable Cushion with Adjustable Plastic Ergonomic Non Slip Foot Rest Vinyl Floor moulding tri Powered by DeWALT 20V lithium ion Powered by DeWALT 20V lithium ion batteries (sold separately) 375 Center Inner Bowl Below Counter Depth (in Have better posture with our lumbar support back cushion and height adjustable foot rest that will provide superior lumbar spinal support that will improve your posture by supporting the lumbar vertebrae therefor reducing strain and stress on the region Sitting in your chair and finding out there's no back support in the chair causing your back to ache