Seat Rail Extension Kit, 16" Wide Kit comes complete with seat upholstery and attached rail extension to add 2" to depth of the wheelchair seat Kit installation results in 18" seat depth For replacement of 16" wide, 16" deep upholstery Brand: Vitamin Guru Color: Black Vinyl Upholstery Features: Kit comes complete with seat upholstery and attached rail extension to add 2" to depth of the wheelchair seat Kit installation results in 18" seat depth For replacement of 16" wide, 16" deep upholstery null null null null null null null null null null