DESIGNER OFFICE CHAIR: Enjoy the sleek look of this ergonomic desk chair with adjustable backrest, flip up 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