Based on the Bunkerkings Evalast, the Virtue Silicone Barrel Cover is the toughest and longest lasting barrel blocker in paintball. The Durasoft material construction is unnoticeable in your pocket while you're playing and has been tested with over 500 consecutive shots to ensure your safety off the field. Key Features The Original DURASOFT Material High Friction Quick Cleaning Rinse With Water | Instant Dry Unique Knot Locking System | 100% Encapsulated One-Handed Application Easy Elastic String Repair Safety Tested With 500+ Shots