Mahogany Finish Modular Single Add-On Kit. Thick Padded Seat and Back with Built-in Lumbar Support. Mahogany Finish Frame. Includes: Center Construction Piece. Back Cushion and Seat Cushion. Grey Fabric.* Thick Padded Seat and Back with Built-in Lumbar Support * Mahogany Finish Frame * Includes: Center Construction Piece, Back Cushion and Seat Cushion * Grey Fabric Dimensions: Adds 21" to Overall Width" x " x "