COLAMY AETHER Ergonomic Middle Back Mesh Office Chair

Material & Build: Armrest: Plastic + PU Backrest: Painted plastic crossbar + thick cushioned lumbar support Seat cushion + mechanism: Foam + plastic mesh basket Base / Casters: Plastic Adjustability: Backrest Tilt Lock: 105°-110°-118°-120° Adjustable Lumbar Support 4D Adjustable Armrests Seat Depth Adjustment: 2.4 in (6 cm) Seat Height Adjustment: 4.6 in (11.8 cm) Specification Total Height: 39.2-43.9“ Total Width: 28.7-29.5” Total Depth: 22.2-24.6“ Seat Height: 16.7-22.2” Seat Width: 19.7“ Seat Depth: 16.7-19.1“ Seat Thickness: 4.9” Back Height: 21.9“ Back Width: 18.1” Backrest Height Adjustment: 34.4/36.4/38/39.2” Arm Width: 3.9“ Armrest Height (above ground): 24.6–28.5/29.3–33.3“ Weight Capacity: 300 LBS Item Weight: 35.6 LBS