Protocol Automatic Golf Ball Return Indoor Putting Practice Cup is a high-quality plastic cup designed for indoor golf practice. This multicolor cup features automatic ball return technology, making it convenient for users to continuously practice their putting skills. With a battery power source and portable design, this putting cup is perfect for golf enthusiasts of any experience level looking to improve their putting game in the comfort of their own home. Made by Protocol, a trusted brand in golf supplies, this training aid is ideal for both adults and teens looking to enhance their golfing abilities.