Other Features 1.5mm Iron Frame. Three Layers of Cotton. Back Raw Cotton. The Stel Fally Coredhd with EPE. Seat Mould Foam. U Mould Foam. Increase the Iron Plate. The Cushion is softer. More breathable and fuller. Material Material: Durable PVC leather with 1.5mm thickness metal on main frame. Foam: Durable 50 density mould foam for backrest.Armrest: 2D adjustable armrest with soft PU paddedMechanism: Butterfly mechanismGas lift: Lant Class 3 gas lift with 100mm adjustable height. Base: 350mm size K/D metal base with matte black paint. Wheels: BIFMA standard 60mm PU wheels. Box Contents 20kg brown box package Inner and outer Hexagon Screw Box Dimensions 79*54*28cm Box Weight (KG) 20kg