Solid Back Insert 13" w x 18" h ( fits most 16" wide wheelchairs)
Details:
Solid Back Inserts are made with 1/2" high strength plywood, 1" high density
foam and a large selection of covering materials. They are designed to fit in
front of standard back upholstery and have loops for attachment to the backposts. (except SBI101 which requires additional hardware to install on the wheelchair frame)