Sprogs 100 Series Preschool Chair with Chrome Legs, 13 1/2" Seat Height, Assorted Colors, SC1013MPB (Pack of 4) Recommended for grades 1 - 2. The high-density polyethylene shell keeps kids comfortable. The sturdy steel frame has a non-corrosive, abrasion-resistant nickel chrome plating. Chairs are stackable for easy storage. Nylon glides protect floors.