The Federal PWBX134BBB Black Cloud FSS 12 Gauge shotgun shells are designed for large ducks. These 3.5" long, 1 1/2 oz loads feature BBB shot and a muzzle velocity of 1500 fps. Each box contains 25 rounds. The Flitecontrol Flex wad ensures improved pattern density and consistency through various waterfowl chokes. This ammunition is ideal for hunters seeking reliable performance in the field. With fast shipping, you can get your hands on these shells quickly. The Black Cloud FSS line offers a cost-effective solution for waterfowl hunting. Product Features and Specifications: Gauge: 12 Gauge Type: Steel Length: 3.50" Ounces: 1 1/2 oz Shot Size: BBB Muzzle Velocity: 1500 fps Rounds Per Box: 25