Features: These flat golf balls is designed as a training tool to help improve your golf swing. The practice balls is make of TPE materials, which very Enduring and practical. With a diameter of 4.3cm/1.69inch, making it a great size for practicing your swing, providing a realistic training experience. Its flat designs makes them easy to carry and ensures they will not roll far away during practice, making your training more enjoy and efficient. Suitable for professional and personal golf practice, practical and Enduring. These golf balls are suitable for beginners to train indoors or outdoors. Specifications: Materials: TPE Diameter: about 43mm/1.69inch Package Includes: 1pc Golf Practice Balls 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.