Sled chair on a square tube, adjustable for growth groups No. 4-6 Overall dimensions: 380x430x740-820 mm, (380-460 mm). Back size - 380x200 mm. Seat size - 380x350 mm. Weight: 4.81 kg. The seat and backrest are made of bent-glued plywood (8-9 mm thick) and covered with a colorless water-based varnish. The corners of the seat and backrest and the front edge of the seat have a radius of curvature to prevent injury. The chair frame is made of square tube 25x25x1.2 mm and 20x20x1.2 mm with powder coating. The backrest and seat are attached to the frame with screws and nuts. The height of the chair is adjusted using screws in the holes of the frame and leg, between which a plastic adapter sleeve is installed. Plastic tips are attached to the ends of the frame, which prevent injuries to students and damage to the floor. Frame color: light green (RAL6018), gray (RAL7035), yellow (RAL1018), graphite moire (RAL7024)