The Pop Pack multi-variable and reactive targets are developed by a Navy SEAL to facilitate cognitive shooting drills, refine marksmanship, and add another degree of fun to a day at the range. Pop Packs are available in a box of 10 packs. Each pack has 10 unique variable arrangements consisting of different colors, & shapes. It reinforces positive identification as well as engaging the target until it is completely impacted. Environmentally safe gel that is water soluble and will not stain clothes.