The RMC Ox-Yoke Black Powder Shotgun Speed Shells are a two compartment, double capped, reusable shell. New rubber caps are water tight, easy to remove, and stay attached to shell when opened so they will not get lost. Magnum load holds 100 grains of black powder and 1 1/4 oz. of shot. 4 shells per package. FeaturesWater tight, rubber capHolds 100 grains of black powder and 1 1/4 oz. of shot4 shells per package