Solid Seat Insert - 16" x 16" - ( sits on top of std. Upholstery )
These Seat Inserts usually sit on top of existing seat upholstery. A 1/2"nine ply
wood base and 1" of high density foam are standard. A variety of covering materials are available. Velcro bottom available upon request. Model SSI101 has T- nuts for hardware attachment.