Bruce - Upholstered Adjustable Home Office Chair With Ergonomic Support And Smooth Swivel Function - BlackErgonomic Design: Supports proper posture and reduces strain during long hours of sitting Smooth Swivel Function: Enables effortless rotation for improved accessibility and workflow Adjustable Height: Customizes seating position to suit different desk heights and user preferences Rolling Casters: Ensures quiet, smooth mobility on hardwood, tile, and carpeted floors Sleek Black Finish: Adds a sophisticated touch that blends seamlessly with modern dcor