The putting cup is made of plastic, allowing you to practice putting virtually anywhere. It has an additional inner ring that can be removed for standard putting practice, enabling putters to practice with greater accuracy. The hole diameter is approximately 6.8cm / 2.68inch, and the putting cup dimensions are about 18 x 13.5cm / 7.09 x 5.31inch. The flag height is approximately 17.5cm / 6.89inch. It can transform any room, office, garage, or yard into a personal putting green, making it a perfect gift for golf enthusiasts. Note that due to lighting effects and device settings, the color of the product in the photo may slightly differ from the actual item. Package includes 1 x Flag and 1 x Putting Cup