... 1.one-piece, injection molded, high impact polypropylene outerback for ease of maintenance. Recyclable and eco-friendly.2.Ergonomically ... center armrest together with full upholstered mid panel help for added user space.padded armrest available.4.Contoured seat ... smooth operationone-piece, injection molded, high impact polypropylene seat pan for ease of maintenance.Recyclable and eco-friendly.6.High- ...