This reactive target provides instant feedback, leaving no doubt as to where your rounds have impacted the target. The individual cells are fill with environmentally safe, highly visible gel. This 100+ round target was developed for most calibers. It is a great training tool for shooters of all skill levels. These targets are ideal for defensive training, but are also great for a fun day on the range. Sight in your firearm with grid targets in the corners to maximize use of this fully reactive target. The Yeti design provides a fun change from IPSC standards.