TOPSTAR Office chair Open Point SY. Backrest depth adjustable: no. Armrest: fixed. Assembly: assembly required. Adjustable backrest: height. Load capacity (maximum): 110 kg. Body balance system: no. Seat/backrest material: mesh. Chair type: office chair. Fire resistance: no. Frame colour: white. GS tested safety: yes. Height adjustable: Height adjustable. Material: mesh. Frame material: polyamide. Number of wheels: 5. Recommended use (maximum): 8 hours/day. Adjustable seat angle: no. Adjustable seat depth: no. Self-assembly: yes. Stackable: no. Continuously tiltable backrest: yes. Base type: star base, plastic. Mechanism type: synchronous mechanism. Backrest height: 600 mm. Seat depth: 480 mm. Adjustable seat height (maximum): 510 mm. Adjustable seat height (minimum): 430 mm. Seat width: 480 mm. Backrest width: 460 mm. Dimensions: 600 x 480 x 480 mm (h x w x d). Colour: grey, white.