The Brookstone Automatic Golf Putting Cup is a brand new indoor training aid designed for golf enthusiasts, especially beginners. This portable putting cup features an automatic ball return system powered by batteries, making it convenient for practice sessions. Made of durable black plastic, this one-size unit by Brookstone is perfect for honing putting skills in the comfort of your own home or office. Ideal for adult golfers looking to improve their game with a reliable and easy-to-use training tool.