metal frame,low seat back cloth,PU,leather,pvc cover good quality,nice-looking,waterproof,durable without wheels 1 seat details high elasticity memory foam strong durable and abrasion resistant cover special and thick metal frame 90% product made by hand2 alternative parts cover material optional: PVC, PU, suede, cloth, and leather color optional: red, black, blue, green, etc. regulator/adjustor ...