Features: Combine the correct grip with the feeling of a full-swing. Effectively increase hitting distance and swing controls. The telescopic swing trainer adopts a compact design that is not limited by space, and can practice swing anytimes, anywhere, indoors or outdoors. Persist in swinging 20-25 time a day, which will effectively improve the technical level of swing, improve the distance and accuracy of hitting the balls. The rod can stretched and will emit a simulated hitting sound when swinging. After stretching, it will make a sound that simulates the feeling of hitting the balls. Help exercise your body: It is very suitable for comprehensive Warms Up and strength training to build golf muscles for a stable swing. Specifications: Materials: resin and stainless steel Color: Light Blue Color/Blue/Black/Red Folding Length: about 38cm/14.96inch Expand Length: about 71cm/27.95inch Package Includes: 1pc Telescopic Golf Swing Trainer 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.