Smile Mart Adjustable Midback Ergonomic Mesh Office Chair with Lumbar Support, Black SeatThis task chair will offer you reliable comfort. It has almost all the seating relaxation features you are looking for. A perfect combination of breathable mesh and PU leather surface provides a more supportive and comfortable sitting experience. Adjustable seat height and center-tilt tension allow users to enjoy their preferred sitting positions. 5 nylon silent castors ensure steady and smooth mobility with 360 rotation. This clean-cut designed chair is ideal for home and office purposes.Smile Mart Adjustable Midback Ergonomic Mesh Swivel Office Chair with Lumbar SupportMaterials: PU leather, Mesh, Sponge, Metal, PPOverall Dimension: 23.2L x 24.2W x 38-41.7HSeat Size: 21L x 20W x 3.3-4 thicknessAdjustable Seat Height: 18-22Weight Capacity: 264.6 lb.G.W.: 24.9 lb.N.W.: 22 lb.Easy assembly