Hierarchy 18" Plastic Classroom Chair - Gray Safety Accessories include a removable back

Accessories include a removable back

Flexible spine with soft intervertebral discs

clear chair mat allows you to roll easier with less stress on joints and back while protecting your floor from damage

This heavy-duty security truck features steel angle uprights and machine-rolled tray edges that offer superior strength and rigidity

Hierarchy 18" Plastic Classroom Chair - Gray Safety Accessories include a removable backFlexible and ergonomically shaped seat with lumbar support for easy position changes, eliminating stagnant environments. Smooth reinforced back allows for flex action without sharp ridges. Features: 4 leg base Available in four seat heights: 12", 14", 16", and 18" With heavy gauge chrome coated steel base. Include nylon swivel glides.