Return to the office without forgetting a single thing! Buy Office Chair Algarra P&C 840B8RN Black and be the envy of your colleagues!. Colour: Black. Material: Polyamide. Certificate: Without certification. Seat material: polypropylene. Approx. weight: 12 kg. Wheel material: Nylon. Finish: Cloth. Structure: polypropylene. Characteristics:. Armrest Fixed. Made in EU. Backrest: Foam/PVC. Piston: Gas. Mechanism: Synchro. Maximum seat height: 59 cm. Minimum seat height: 45 cm. Total width: 59 cm. Recommended daily hours of use: 4–6 hours