The ingredients in Sonic Boom's Exploding Target have been researched extensively to ensure it produces one of the largest and loudest explosions. Created with nontoxic, stable two-part chemicals that are easy to mix. Blaze orange container enhances visibility from almost any range. Produces one of the largest and loudest explosions Easy to mix nontoxic, stable two-part chemicals Blaze orange container enhances visibility NOTE: To ignite, centerfire bullet must weight at least 40 gr. and be traveling at least 2,200 fps. Stay 100 yards or more from target to ensure safety.