This golf grip training aid is made of durable soft rubber material, designed to correct your hand positioning on golf clubs. It fits all types of golf clubs perfectly, helping you build proper grip fundamentals from the start. It is easy to install and remove, you can use it for consistent daily practice at driving ranges, golf courses or home practice areas. It helps you form muscle memory for standard grip, reduces grip errors, and improves the consistency of your swing shots, which is ideal for beginner golfers to practice and improve basic skills.