Office chair Topstar BT390T W50 Big Star 30 XXL — black, high-capacity ergonomic seating

Topstar Big Star 30 XXL (model BT390T W50) is a black office chair designed for high-capacity ergonomic seating. The chair features a spacious seat and reinforced construction to support larger users during extended desk work, offering stable support for administrative tasks, home office setups and general workstation use.

Advantages

The Topstar Big Star 30 XXL combines a wide seating surface with a sturdy frame to improve comfort and durability. Its design focuses on ergonomic support for prolonged sitting, with stable mechanics suitable for heavier loads and frequent daily use.

Suitable for

• Administrative and clerical work
• Home office and remote workstations
• Users requiring larger, reinforced seating
• Shared or multi-shift work environments

Key specifications

• Brand: Topstar
• Model / MPN: BT390T W50
• EAN: 4014296241920
• Type: Big Star 30 XXL office chair
• Color: Black

How to use

Place the chair on a level surface and adjust seat height and backrest to achieve a comfortable, ergonomically correct posture: feet flat on the floor, thighs roughly parallel to the floor and the lower back supported by the lumbar area. Use built-in adjustment levers or knobs to set the tilt and height according to individual preference and task requirements.

Usage recommendations

For durability and safe operation, follow the manufacturer's assembly instructions and recommended maximum load limits. Regularly check moving parts and fasteners and tighten if necessary; clean surfaces with a soft cloth and mild detergent.