Tannerite 12ET Entry Level Impact Enhancement Explosion White Vapor Centerfire Rifle Firearm 0.50 lb 24 TargetsTannerite Brand targets are specifically designed to be safe and only initiated by a centerfire rifle. Tannerite is non hazardous and can be shipped without expensive hazmat fees, it is safe and legal. The catalyst mixes easily into each 1 2 pound target. Contains 24 1 2 lb targets, premeasured packets of catalyst, mixing container and instructions.