Features: brand new and high quality Archery trainer band is a professional archery instructor guide and design, if you use the trainer band, beginners can practice standard movements. Archery trainer band is suitable for left and right hands. Just use a screwdriver to unscrew the cover, you can easily change the direction of the rubber band. The tension rubber band can be buckled to adjust the length, and the bow weight control pedal can also be adjusted in length, suitable for archers of different ages, and heights. Recurve bows, compound bows, or traditional bows players can practice through our archery rally trainer band to improve their archery skills. Be sure to check the wear of the rubber band and the rope interface before use. After use, unlock the buckle of the handle to extend the life of the rubber band! Specifications: Material: Polyethylene+Latex Tube Color Optional: 4 Colors are Available as Shown in the Picture. Package Weight: approx.260g Rubber Band Diameter: approx.8mm/0.3in Package Includes: 1Pc x Archery Bow Trainer note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!