Stackable moulded chairs in a child friendly design include a vented back and solid plypropylene shell for durability and easy cleaning. The ball glide on the end of the chrome-plated steel legs increase durability and protection for hard and carpeted flooring. Features: Glides reduce noise, prevent snags, and resists rust Non-exposed rivets prevent snags Meets ANSI/BIFMA standards for safety, durability, and structural performance Heavy gauge steel frame Polypropylene shell is easy to clean, prevents blushing and dissipates annoying static electricity Meets ASTM standards for safety and stability Specifications and Warranty: Height: 49.5 cm (19.5 in) Width: 39.4 cm (15.5 in) Depth: 34.3 cm (13.5 in) Weight: 3.18 kg (7 lbs) These chairs have a 5-year limited warranty covering defects in material and workmanship. Warranty doesnot include normal wear and tear.