Heavy gauge steel with reinforced ribbing. Smooth coined edges provide extra safety. Comes with a non-skid poly base, which prevents slipping and scratching. 9" height. Each pack includes 2 bookends. Sold as 3 packs for a total of 6 bookends. Sturdy and long-lasting metal construction. Non-slip bottom allows you to remove 1 item without dislocating the others. Won't scratch the furniture. Basic but effective design. 2 per pack, sold as 3 packs, 6 bookends total. Age: 5+ years/Grade K+