Features: Helps maintain proper arm position while hitting. Our golf swing Train Aid helps increase your shot distance by improving swing skill. Make of elastic nylon, It extends easily with the thick and strength of your arm and retracts quickly after stretching. Perfect for player of all levels, it corrects postures and arm positioning for precise and powerful shots. Easy to Use: Put the elastic band on the 2 upper arm just above the elbows to keep the postures. It helps golf beginners to correct the arm postures. Perfect for golf training at homes or on the driving range. Specifications: Materials: Nylon Color: Black/Blue Size: As Shown In The Picture Package Includes: 1pc Golf Swing Arm Band 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.