A 32 density cut sponge with a thickness of 5 cm is used on the seat and backrest parts of the chair. On the outer back, 1 cm thick, 32 density cut sponge is used. The arms of the chair are L-shaped with oval open armrests and nickel chrome plated. On the armrests of the arm, 28 density 1.5 cm cut sponge and artificial leather are covered on the plastic lath. diameter of five aluminum bright polished. The leg of the chair has five wheels and the wheels are made of PA6 nylon material. The board of the chair is made of monoblock solid hot pressed 18 mm beech contra. The mechanism of the chair is made of 3 mm and 2 mm DKP sheet metal, it has a swing back swing and the mechanism can be locked in any position. Artificial leather or fabric is used for the upholstery of the seat. It is used in the options included in the catalog of our company according to the customer's request. The shock absorber of the seat is gas powered and it is 4 class. The seat rotates 360˚ around its own axis. The arms and legs of the chair are chrome plated. The outer thick tube of the shock absorber is nickel chrome plated. The product is delivered as assembled.