COMFORTABLE SWIVEL CHAIR: Pneumatic seat height adjustment and 360-degree swivel allows you to customize your comfort. FIXED ARM OFFICE CHAIR: Sculpted arms provide comfy all-day support for upper body and shoulders. ROLLING OFFICE CHAIR: Smooth-rolling casters and durable wheels hold up even under heavy use. WARRANTY & SUPPORT: Relax knowing this computer chair is backed by the basyx by HON Limited 5-Year Warranty.