Nontoxic for the planet. Lethal for toms. With a blend of 4 and 5 shot made with 9.6 g/cc HEVI-Bismuth , you get blistering speed and 22 percent more energy compared to steel. The HEVI-Shot wad puts more of those pellets on gobblers, and the reliable primer and propellant deliver in any weather. Product Features 100 percent HEVI-Bismuth payload 22 percent denser than steel Blended payload of No. 4 and 5 shot Reliable primer and propellant Nontoxic Product Specifications Gauge: 12 Shell Length: 3 in Shot Weight: 1-3/4oz Bullet Type: Bismuth Muzzle Velocity: 1300 Shot Size: 4, 5 Quantity: 5 Rounds per Box