RECOMMENDED SIZE; 1. Maximum Height : 185cm 2. Maximum Weight : 100Kg CONSTRUCTION AND MATERIAL; 1. Material : 60kg/m3 Foam 2. Foam Type : 100% Steel 3. Framework : Nylon 4. Wheel Base Gas Piston : Class 4 Hydraulic 5. Neck Pillow : Packed with M size neck pillow 6. Lumbar Pillow : Packed with M size lumbar pillow 7. Certification : REACH, ANSI/BIFMA, EN12520, EN1335, BS5852 ADJUSTABILITY; 1. Armrests Adjustment : Up-down 2. Tilt : 90”-160” DIMENSIONS; 1. Package Size : 87*66*39 cm 2. Gross Weight : 27.9 KG 3. Seat Depth : 55 cm 4. Length of Backrest : 87 cm 5. Backrest Shoulder Width : 60.5 cm 6. Wheelbase Diameter : 70.5 cm What's in the box? 1. Backrest 2. Seatbase with Armrests 3. Nylon Wheel Base 4. Screw Kit (2pcs Spare Screws) 5. M Neck Pillow 6. XL Lumbar Pillow 7. Heavy Duty Class 4 Gas Piston 8. Piston Dust Cover 9. Magnetic Side Covers *2 10. Full-tiltt Mechanism 11. Casters (Wheels) *5 12.. Safety Cap