DESIGNER OFFICE CHAIR: Enjoy the sleek look of this ergonomic desk chair with adjustable backrest, arms and inflatable lumbar support pump for extra comfort around your lower back. PERSONALISE YOUR OFFICE CHAIR: Control your comfort with the ‘Permanent Contact Back’ mechanism so you can fix the backrest into place. Seat height also adjustable. COMFORTABLE OFFICE CHAIR WITH INFLATABLE LUMBAR SUPPORT: Ergonomic design of seat provides extra support for your spine and the generous padding ensures you can sit comfortably for 8 hours. Curved back with inflatable lumbar provides maximum support. DIMENSIONS: (WxDxH): 64 x 64 x 99-116cm. Seat Height: 47 to 59.5cm. Seat Width: 46cm. Seat Depth: 44.5cm. Back Height: 49.5cm. Back Width: 44.5cm. Arm Height (from Seat): 18.5-25.5cm. Arm Height (from Floor): 66.5-85cm. External Arm Width: 54cm. Internal Arm Width: 39cm. OFFICE HIPPO offers a wide range of office furniture including office desks & office chairs to help make your space as work friendly as possible