APEX CHAIRS TRAX Plastic Base Medium Back Chair (Black) Ergonomic office chair: - mesh chair with contoured mesh back for breathability it provides day-long comfort. -push back mechanism with tilt lock lever to support your body's natural movements. -fully adjustable seat height & 360 degree swivel : a pneumatic gas lift system enables you to easily adjust the height of the seat by flipping the lever up under the seat. Revolving office chair with a 360-degree swivel a versatile range of motion; and the 5 smooth casters make it easy to roll around your office as needed, allowing for multi-tasking convenience. -very durable and caters to various segments like executive chair, director chair, student chair, visitor chair. -affinity office chair is sturdy to support up to 120 kgs of evenly distributed weight. -we conduct several tests on the products on various parameters such as quality of raw material, finish, sturdiness and durability to ensure that these products are in conformance with international quality standards