Sold as 1 Each. Mesh Executive Office Chairs. Seat Dimensions: 18.5' - 22.5'H x 20'W x 20.5'D. Care Instructions: SW-Solvent and water based cleaner such as foam. Contemporary Executive Office Chair with Flip-Up Arms. Tilt Tension Adjustment Knob adjusts the chair's backward tilt resistance. 5-Star Nylon Base with Dual-Wheel Casters. Color: Purple; Material: Foam, Mesh, Metal, Plastic, Plywood, Polyester. Back Dimensions: 19'W x 23'H. Assembly Required. High Back Design with breathable mesh material. Waterfall Seat reduces pressure on your legs. Ergonomic - Built-in Lumbar Support; Waterfall Seat. Flip-Up Arms. ANSI/BIFMA compliant for safety. Built-In Lumbar Support. Contoured Purple Mesh Upholstered Seat with CAL 117 Fire Retardant Foam. Overall Dimensions: 26.5'W x 26.5'D x 40.25' - 44'H. Rated for up to 250 lbs Based on 6-8 Hours Use. Warranty: 2 Years Limited. Tilt Lock Mechanism rocks/tilts the chair and locks in an upright position. Pneumatic Seat Height Adjustment.