Loon(TM) - Biostrike A biodegradable putty strike indicator for staying in touch with flies and keeping rivers clean A putty indicator that makes adjusting the depth and size of indicator simple. Beyond that, it is reusable, biodegradable, and environmentally friendly. Biostrike can be rolled in a ball with wet fingers and applied anywhere on a leader, then removed and placed back in the container. FEATURES -Putty strike indicator -Easily create an indicator to your desired size -Use with small dry flies to increase visibility -Reusable -Biodegradable -1 oz. Colors: Orange, Yellow, 50/50 Pink & Yellow & Pink