Features: Removable baseball hitting training strap offer immediate feedback on incorrect swing, guiding player to correct their techniques independently for enhances skill development. Designed for hitting practice, front throwing, and hitting training control, this product simplifies player development by ensuring easy and effective usages. Utilize prove training methods that leverages external cues to simple the learning process, eliminating confusion and optimizing training times for accelerated skill enhancement. Feature fine workmanship and simple usability, these training strap are make from enduring and impact resistant materials to withstand long terms use. Great for hitting practice, front throwing, and pitching control drill. Specifications: Component: Elastic elastic bands and Adhesive Buckles Size: about 3.8x40cm/1.5x15.75inch Color: Black green color edge/Black yellow edge Package Includes: 1Pc Baseball Swing Trainer bands note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.