Golf Swing Trainers Training Aid Swing Trainer Golf Practice Warm-Up Stick for Strength Flexibility and Tempo Training<br><br> Features:<br> * Environmental shaft, the rod with superelasticity, automatic spring back High-tech composite materials.<br> * Aggravating the ball head, improve the swing feel, improve the arm strength, exercise the waist muscle. <br> * Adopting new environmental silicone material, non-toxic odorless.<br> * Longer swing, safety, perfect golf accessories for warm up.<br> * Left and right universal, double color non-slip grip.<br> * Beginner practice essentials, highly recommended.<br><br> Specification:<br> Size S: 101*7.5cm Weight: 0.75kg<br> Size L: 121*7.5cm Weight: 0.88kg<br> Diameter of the Head: 7.5cm<br> Main Material: Natural environmental protection rubber（Durable polyurethane head + rubber handle）