The inspiration from nature is smooth and pretty. Imported quality materials, pure, primitive, soft and elastic; Irresistible fascination suits man ' s nature, creating refreshing and elegant space environment, and reflects casual, relaxing and random office style. To bulid the best products for you. ZHUOPIN OFFICE FURNITUREOur certification:Feature: 1. Chrome iron frame, leather or PU bracket. 2. Adjustable seat-height, back tilt. 3. Aluminium base with nylon castors. Material: 1. SGS Tested & Approved leather. 2. Grade A chrome iron frame and aluminium base. 3. BIMFA approved pneumatic seat-height adjustment mechanism. Dimension: Chair: W53*D62*H118 cmPackage Size: ZM-A381: 100*79/29*56cm Mountings: 63*63*20cm 2PCS/boxZM-B381: 83*79/29*53cm Mountings: 63*63*20cm 2PCS/boxZV-B381: 104*88*53cm Frame Packing alone 5PCS/boxPictures: