Serta Amplify Ergonomic Faux Leather Mesh Swivel Executive Chair, Gray Nitrile Glove ): 34 Color Family: Gray Silver The gummed flaps on ): 34 Color Family: Gray Silver Desk Shape: Other Electric or Manual: Manual Furniture Mobility: Stationary Gaming: Non Gaming Height Adjustable: Height Adjustable Maximum Height: Less than 30" Sit & Stand Desk Type: Desk Converter Wall Mountable: Wall Mountable Warranty Information: Limited Lifetime Warranty while the arch base design delivers added stability The ergonomic seat and lumbar are contoured to provide customized support and reduce stress in back The pneumatic seat height adjuster works with a simple weight shift