These pro-style classic Hockey Pucks are made from vulcanized rubber to glide on the ice. Flat, hard surface is made to produce consistent passes and powerful shots. Measuring 3" diameter and 1" thick while weighing 6 ounces, these are the same style pucks that the pros use. If you're looking for hockey pucks to practice with or bulk hockey pucks for your team, Next Level is the #1 choice in Canada.