The SWINGRAIL Baseball & Softball Swing Trainer is a portable training aid designed for baseball and softball players. Made of lightweight plastic, this black trainer by SWINGRAIL is suitable for adult beginners looking to improve their batting skills. With a weight of only 0.08 lbs, it is easy to use and transport, making it ideal for players seeking to enhance their hitting performance on the field. This baseball swing trainer is a valuable tool for enhancing your batting skills and is proudly made in the United States.