Instantly set up your room for productive team collaboration. The tables are commercial grade daily use thermally-fused melamine laminate surfaces with Xtra-thick 1" high-use tops for extended use in busy work stations. Commercial grade daily use hi-impact edges and commercial grade edge banding on all edge surfaces give protection. Steel legs are top quality engineered for safety and long life, manufactured to strict specifications using Commercial grade heavy tubular steel with an electrostatic powder-coated color finish for beauty and durability. The legs have a safety locking mechanism. There are adjustable glides on each set of legs, allowing slight adjustment for uneven floors. The seating is a commercial-spec supportive knit mesh back Duo-Flex nylon frame with built-in passive lumbar support. Full control range of locking tilt swivel with adjustable tensions. One-touch pneumatic seat height adjustment and padded adjustable height arms provide custom qualities in a chair designed with up-to-the-minute technology. The ultra-modern ergonomic headrest supports the neck and head to avoid and relieve fatigue. The heavy-duty cast metal base with dual wheel carpet casters creates a sleek professional home or office environment.