The SKLZ Swing Trainer Select is a high-quality training aid designed for baseball players looking to improve their batting skills. Made with a combination of materials including 34% TPR, 32% PU, 19% fiberglass, 9% PVC, and 6% steel, this swing trainer is durable and lightweight at 1.55 pounds. With a sleek white design and dimensions of 3.38 inches in length and 4.85 inches in width, this unit is perfect for players of any age looking to enhance their swing technique on the baseball field. The SKLZ brand is known for producing top-notch athletic training aids, making this swing trainer a valuable addition to any player's training routine.