Seat Rail Extension Kit, 18" Wide Kit comes complete with seat upholstery and attached rail extension to add 2" to depth of wheelchair seat For replacement of 18" 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 wheelchair seat For replacement of 18" wide, 16" deep upholstery null null null null null null null null null null