Our Tour Mission practice golf balls, model #12009. 12 strong, lightweight plastic practice golf balls for controlled distance. These balls are made with a dimpled surface. These practice golf balls can be used indoors or outdoors, at anytime, and are lightweight which will give you peace of mind for the safety of the valuables items around you. You will benefit from a solid and durable design. These practice golf balls are designed for pre-game warm-ups and are a go-to item for beginners to improve their performance and consistency. An essential for all beginner golfers.