Improve Reaction- This catch trainer set can improve reaction speed, hand-eye coordination, focus, reflexes, tracking, and decision making skills. Portable & Flexible- Carry this agility training set with you, use it any time. The construction of our catch trainer and reaction balls have great flexibility to avoid injury. High-Quality Materials- Made of high quality PU material and safe, lightweight, waterproof. Reflex balls are made of strong & durable rubber that produces unpredictable bounces that exercise user's reflexes. Pregame Warm-Up Tool- Can be used for almost any sports, as a tool for pregame warm-ups and game-like scenarios in solo or team training. Suitable for baseball, basketball & football training. Pet Training Toys- This set can also be used for interactive games between the owner and the pet dog, or for exercise and fun with family and friends.