TOPSTAR office chair Point 70. Adjustable backrest depth: yes. Adjustable backrest height: yes. Armrests height adjustable: yes. Body balance system: no. Number of wheels: 5. Fire retardant: no. GS safety tested: no. Seat depth: 450 mm. Backrest height: 570 mm. Maximum weight capacity: 110 kg. Mechanism: permanent contact. Self-assembly: yes. Lumbar support: yes. Base type: star base. Upholstery: fabric. Seat height minimum: 410 mm. Seat height maximum: 530 mm. Backrest width: 430 mm. Seat width: 450 mm. Color: black.