The High Precision Golf Green Reader Pro Putt Golf Ball Marker Round Bubble Level is a must-have tool for any golfer. It helps train your eye to see the subtle contours of the green, improving your putting game. The lightweight and sturdy design make it easy to carry in your pocket during play. The marker lies flat on the green, providing convenient and accurate slope adjustment. With practice, you can read the severity of the curve when you putt, saving time and improving accuracy. Made of acrylic, it comes in yellow, blue, and white colors. Get the Pro Putt Golf Green Reader today and take your putting game to the next level! Features 1. This pro putt bubble level will train your eye to see the subtle contours that can make even a short putt difficult. The more you use it, the better your putting game will be. 2. Golf ball marker is lightweight enough to carry in your pocket during play, sturdy enough to provide a quick reading of the greens contours. 3. The golf marker is heavy enough to lie flat on the putting green, makes adjusting more convenient and accurate. 4. This golf marker will tell you how to adjust for the slope. Its most useful when you think its flat but theres a slight slope. 5. With practice you can read the severity of the curve when you put, spend less time trying to determine the break on the green to read their line. Specification Material: Acrylic Color: Yellow, Blue, White Size: 6 6 2 cm Weight: 30 g Package Include: 1x Golf Ball Marker