Durable low-density molded PVC puck For smooth indoor / outdoor surfaces Recreational 2.0 oz. lightweight design Official licensed product of the National Hockey League The Franklin Sports NHL (National Hockey League) Extreme Color Puck is constructed of durable low-density molded PVC with a lightweight, two-ounce design for recreational play. This puck is ideal for smooth surfaces indoors or outdoors. The extreme colors are both fun and practical as players can easily keep an eye on the puck during the game.