COLAMY ATLAS Executive Ergonomic Office ChairSpecification Info: Product Dimensions: 27. 76"D x 28. 94"W x 50"H Seat Back Interior Height: 30. 83 inches Seat Height: 21. 06 Inches Seat Depth: 17. 72 inches Seat Cushion Thickness: 6. 3" Item Weight: 61. 5 pounds Features: 4D adjustable armrests. Height and angle adjustable headrest. 2. 3 inch adjustable seat depth. Ergonomic seat height and tilt lock adjustments. Heavy duty Aluminum and nylon base. Supports up to 300 lbs. 3 Year Warranty ANSI

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Seat Back Interior Height: 30

Seat cushion + mechanism: Foam + plastic mesh basket

Armrest: Plastic + PU

Seat Depth: 17

Backrest Tilt Lock: 105°-110°-118°-120°

Material: Polyamide

Adjustable Lumbar Support

Seat Height: 21

Seat Cushion Thickness: 6