FeaturesHigh density moulded foam cushionSupports long-time sitting comfortPneumatic height adjustment ensures the ergonomic seating postureBreathable mesh surface also allows better ventilationArmrest on Both Sides The ProperAV Premium Eronomic High-Back Mesh Office Chair is designed to help acheive a superior sitting posture. With high density moulded foam cushion, this chair is stable and durable and can support long-time sitting comfort. The pneumatic height adjustable seat ensures a perfect ergonomic seating position. The mesh back allows for better ventilation and breathability and the built in lumbar support helps that all important back posture. Sturdy PU hooded casters help to scratch less on hardwood floors and work perfectly well on carpets or floor tiles.Dimensions: Width: 590mm, Depth: 480mm, Height 90-100mm, weight 11kg