Product Description130 kg capacity top seller 2024 ergonomic office chair in aluminum foot Name Mesh office chair Color Optional Base nylon base Seat 12mm wooden ,high density sponge Back Mesh material Castor Nylon Armrest Nylon armrest Mechanism Lift and down,lock, tilting Certificate SGS Function Commercial furniture ,Office furniture,Office chair Advantage The nylon base can bearing 135kg. The castor pass 50000times resistance. Ergonomically designed for lasting comfort.MaterialMesh + FabricColorBlackQTY /CTN1pcWarranty3 year warrantyDescription1) High back swivel ergonomic chair2) Mesh back frame with aluminum connection part3) 2D Armrest design with soft PU armpad4) Fabric padded seat with injection molded foam inside5) BIFMA passed class 3 gaslift6) Sychronized mechanism with back reclining & locking function.7) 350MM aluminum base & 60mm BIFMA passed PU nylon castors.MaterialMesh + FabricColorBlackQTY /CTN1pcWarranty3 year warrantyDescription1) High back swivel ergonomic chair2) Mesh back frame with aluminum connection part3) 2D Armrest design with soft PU armpad4) Fabric padded seat with injection molded foam inside5) BIFMA passed class 3 gaslift6) Sychronized mechanism with back reclining & locking function.7) 350MM aluminum base & 60mm BIFMA passed PU nylon castorsMaterialMesh + FabricColorBlackQTY /CTN1pcWarranty3 year warrantyDescription1) High back swivel ergonomic chair2) Mesh back frame with aluminum connection part3) 2D Armrest design with soft PU armpad4) Fabric padded seat with injection molded foam inside5) BIFMA passed class 3 gaslift6) Sychronized mechanism with back reclining & locking function.7) 350MM aluminum base & 60mm BIFMA passed PU nylon castors