Each box of Federal P108F00 Vital-Shok buckshot is a product from the Federal Cartridge Company. Developed as a first-rate load marked by its accuracy, reliability and ballistics, Vital-Shok buckshot employs premium raw materials and loading practices. It also includes the company's patented spiral stacking process with plastic shot cup and buffering to ensure dense patterns and powerful impact. These premium shotshells are optimized for a range of applications, including hunting, tactical operations and home defense. Each box contains five premium shotshells. These shotshells measure 3 1/2 inches in length and contain 18 copper-plated pellets of double-aught (00) buckshot, each of which is perfect for use with any 10 gauge hunting or defense shotgun.