Model JAM swivel chair: metal frame and two-color technopolymer shell. Swivel height adjustable chair. The main characteristic of this model is the two-color technopolymer shell, with a glossy white seat and a transparent back, available in different colors. The oval holes on the backrest complete the product design. The metal base is equipped with five soft rubber castors. Colorful, modern, perfect for your home study. Choose the combination you prefer.