This sturdy, comfortable chair has been a classroom necessity for over 40 years! One-piece polypropylene shell is attached to an 18-gauge, unswaged leg (non-tapered), steel frame with concealed rivets and steel brackets. Features V-back for spinal relief and waterfall seat edge for comfortable thigh support. Nylon, swivel glides. Features: • Brackets are welded to underside of frame for added strength • Legs are constructed of 1” tubular steel and come in same color powder coat epoxy finish or chrome • Chrome frame chairs are chrome plated providing better corrosion resistance and a longer lasting and attractive finish. • Nickel-plated, self-leveling nylon glides that reduce scratching and marring on school floors along with built-in cushions for noise reduction. • Meets ANSI/BIFMA X6.1-2012 test specifications.