KOLLIEE Mid Back Mesh Office Chair Ergonomic Swivel Black Mesh Computer Chair Flip Up Arms with Lumbar Support Adjustable Height Task Chair

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SWIVEL, ADJUSTABLE HEIGHT MESH OFFICE CHAIR: 360 degree swivel, adjustable height mechanism, flip up armrests.
ERGONOMIC OFFICE CHAIR: This office chair designed with human-oriented ergonomic construction, providing back support to reduce back pain caused by long time sitting.
HIGH QUALITY OFFICE CHAIR: Our office chair is high quality, environmentally that comes from a responsible manufacturer.
SUPERIOR QUALITY MATERIALS: American-made high density mesh, high resilience foam cushion, high quality gas lift cylinder. All materials are in good quality, durable, and not easy to deform.
EASY INSTALLATION: Our office chair is easy to install. We offer installation instruction and video to help you.