Jeremy Moore's DogBone Blood Trail scent formula is designed to train dogs to find wounded game. The wax-stick formula prevents spilling, accidental leaks in your pocket or backpack. The wax scent wont wash away in rain or dew or saliva, like a liquid scent, its really reliable. ConQuests stick formula requires no preservatives so you get 100% pure, unpreserved scent, it wont break down in temperatures less than 100 F.