Flash Furniture WL-A277-GY-D-GG Mid-Back Mesh Drafting Stool Contemporary Draft Stool Mid-Back Design Curved Ventilated Black Mesh Back Built-In Lumbar Support Padded Gray Fabric Upholstered Seat Waterfall Seat promotes healthy blood flow Swivel Seat Pneumatic Seat Height Adjustment Height Adjustable Chrome Foot Ring Heavy Duty Nylon Base