Plush Collection from JNM Furniture. Swivel seat with pneumatic height adjustment is easy to change from a seated position. Adjustable tilt angle, tilt tension and tilt lock let you control the chairs rock and recline. 5 star, oversized base supports a durable, steel frame construction. Integrated loop arms help relieve shoulder strain by supporting your upper torso. Simple assembly is required. colors available black, brown and white.