MALOL Big & Tall Office Chair 400LBS Wide Seat Ergonomic High Back Computer Desk Chair for Heavy People5103-Black

UPGRADE WHEELS: We utilize a durable nylon base and high-quality nylon rolling casters to ensure smooth rolling for longer periods of time. Upgraded large-diameter nylon casters, more sturdy and stylish, with more flexible rotation and rolling. In addition, the casters are friendly to any floor and will not cause scratches. There will be no abnormal noise when rotating or rolling