This new bundle includes: our 7x7 DLX 2.0 Hitting Net made for batting practice and various drills. A removable strike zone to help develop pitching accuracy through an added strike zone target. Finally, the included progressive weighted ball system allows a hitter to move up in weight as they build proper form and strength. 3 New Ball Weights - Progress from 12 oz to 14 oz then finish with 16 oz Heavies. It's similar to weight lifting with heavy ball concept. Progressing heavier or lighter on each hitting set. Our net system stands 7 ft (H) and 7 ft (W) creating a large backstop for a variety of practice drills. The bow frame is designed to flex with the impact of each swing. Each system is completely portable and perfect for in-home training or bringing along to the ball park. We have redesigned our EZ to follow PowerNet Instructions to make set up a cinch.