Details 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 Allows for modification of size Can be used with dry flies to increase visibility Reusable Biodegradable Available in 4 colors