面料：背为加密网布，座为弹力座布海绵：50密度一体成型海绵组件：3D头

Fabric: Back is encrypted mesh, seat is elastic seat cloth <br>Sponge: 50-density one-piece foam <br>component: 3D headrest, original nylon material and glass fiber chair body, first-level safety lock 2.5MM mid-shift explosion-proof butterfly chassis, high-quality 12% Multi-layer seat plate with waist pad back frame, waist pad can be adjusted up and down <br>Air rod: Xieqiang 100 Shen 4 cm black air rod SGS certification <br>function: Easy, with in-situ locking, adjustable headrest <br>casters: 340#PA nylon glass fiber Feet, 50mm black PU nylon wheels. <br>Remarks: 2 sheets/carton, all black in regular color

Fabric: the back is an encrypted mesh cloth, the seat is a stretch seat cloth<br>Sponge: 50 density all-in-one molded sponge<br>Components: 3D headrest, native nylon material plus fiberglass chair body, first-class safety lock 2.5MM mid-class explosion-proof butterfly chassis, high-quality 12 mm multi-layer seat board, with waist cushion back frame, waist cushion can be adjusted up and down<br>Gas rod: Co-strong 100 sink 4 centimeters black gas rod SGS certification<br>Function: Far away, with in-place lock, adjustable head."<br>Casters: 340-PA nylon glass fiber feet, 50mm black PU nylon wheels<br>Note: 2 sheets/box, regular all black

Fabric: the back is dense mesh, and the seat is elastic seat<br>Sponge: 50 density integrated sponge<br>Components: 3D headrest, original nylon material and glass fiber chair body, level 1 safety lock, 2.5mm explosion-proof butterfly chassis, high-quality 12 cm multi-layer seat plate, with back frame of waist cushion, and the waist cushion can be adjusted up and down<br>Air rod: SGS certification of xieqiang 100 × 4cm black air rod<br>Function: carefree, with in-situ locking, adjustable headrest<br>Casters: 340 PA nylon glass feet, 50mm Black PU nylon wheels<br>Remarks: 2 pieces / case, regular color all black<br>