The 3500 Series Chairs by USA Capitol have a seat shell that is specifically designed to be comfortable to sit in at all four angles, making it the most collaborative-friendly stationary student chair in the industry. Available in 5 sizes with several glide types, seat colors and frame colors, you can match and coordinate with any new or existing classroom decor or color scheme. The convenient slot at the top of the back makes carrying or moving the chair a breeze. Incorporates an exclusive glide button system available in either nylon, neoprene, steel, or wool felt bottom. The shell is attached to frame with four concealed machine rivets and the waterfall front of the chair enhances leg circulation.