TAP™ Agility Rings are simple and effective tools for improving agility, foot speed, quickness, coordination and reaction time. They are a great sports conditioning tool for use with all types of directional and quick-feet drills. Custom patterns can be developed for easy integration into agility and plyometric workouts. They may be used indoors but are better suited for outdoor use. A set contains 12 circles made of high-impact PVC.