Two whole pounds of TanneriteA(R), a mega-ton of fun that'll let you know with 100% certainty that you hit the target! Made for centerfire rifles at extreme ranges, the Target won't activate unless hit at 2,000 FPS. You'll receive the catalyst pack and a mixing container to combine the compounds. Simply mix it up and put it in the clear jar with the blaze orange label. Once you have positioned your target, take the shot. Compatible with centerfire rifles Target activates when hit at 2,000 F.P.S. Catalyst pack and a mixing container to combine the compounds 10-year shelf life 3.5"x 3.5"x6.5"h. Order today!