Features: TRAINING AID : Putting training aid designed to check your alignment, eye position and shoulder alignment. Excellent golfs training aid to improve posture. Features : The Putter Training Aid has a guide line to help you choose the exact-line for your putt YOUR SKILLS : This golfs training aid can effectively improve your putting skills. A great accessory for golfs putting practice. Suitable for all skill levels: simply turn the putting coach39;s target up or down until the ball is putted in to find out how many times the putt is putted. EASY TO USE : Suitable for beginners or advanced golfers. Golfs balls are not included. Notice: 1.Actual color may be slightly different from the image due to different and light effect 2.Please allow 1-3cm deviation due to manual measurement Material: plastic Size: 220*120mm Accessories: 6 Steel Ball Package List: 1 Set Golfs Putting Tutor