Features: High-quality material,bow release trainning device make of quality pla-material. the pla-structure has excellent durability and stability, and can withstand large forces. High-grade archers can use it for daily action training, while beginners can use it for fast-leaning and-master basic shooting gesture. our pull exerciser is a convenient tool that get you in-shape for your next bow hunting trip. with our archery training resistance bands you will be able to increase your pulling strength, holding stability and shooting-stamina. Bring your own level,the archery training device is equipped with a level bubble, which helps keep balance within a reasonable-range, so-that the archer-has the desired movement effect.easy-and simple installation. Widely application,archery release training aids applicable to all kinds of spindles, indoor and outdoor, use restrictions are small. suitable for all kinds of off-hand device applications, mainly used for motion correction and off-hand exercises Wonderful gift,sweet warm gift for friend family or yourself. Specifications: Material:PLA Package Includes: 1 Piece Bow Release Trainer note: Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.