Faswin Classic Ice Hockey Puck, Set of 12 Case of 12 Black Official Hockey Pucks with 2 Reusable Mesh Bag Regulation Size and Weight Pond Hockey or On the Rink Vulcanized Rubber.Remarkable flatness, hardness and smooth surface quality for consistent, powerful and accurate shots and passes Play with the puck the pros use; NHL official size and weight: 3" diameter, 1" thick, 166 grams Case of 12 Black Official Hockey Pucks Regulation Size and Weight Pond Hockey or On the Rink Vulcanized Rubber.Remarkable flatness, hardness and smooth surface quality for consistent, powerful and accurate shots and passes Play with the puck the pros use; NHL official size and weight: 3&#034; diameter, 1&#034; thick, 166 grams