24 Hour Fabric Operator Chair Perfect for use in call centres Highly adjustable asynchro torsion mechanism Ratchet back height adjustment Forward seat tilt Moulded foam seat & back for extra comfort Lumbar support backrest design Waterfall seat front helps alleviate pressure on the thighs while seated Adjustable arm rests Choose standard 5 or polished aluminium 5 star base Upholstered in Black, Marine Blue or Ruby fabric Leather version also available see below 2 year manufacturers guarantee for 24 hour a day use Delivered flat packed for easy self assembly