This smart golf ball trainer is inflatable and comes with an adjustable rope and strap. It helps with posture correction and can improve swing performances through repeated training. Made of PVC, it is easy to carry and clean. Suitable for golf enthusiasts and learners of all heights. Features 1. This inflatable smart ball is connected with an adjustable rope, which can meet the needs of anyone. The inflatable ball can be adjusted to its own size, and the neck strap can be adjusted in length, suitable for golfers of different heights. 2. With inflatable auxiliary posture correction function, it can be used for a long time. For golf enthusiasts and learners, this is a good training tool that can improve swing performances by repeatedly training smart ball practitioners in a short period of time. 3. It is easy to carry and can be cleaned quickly, it does not take up too much space and can be kept very well. Specifications: Product Name: Golf Wisdom Ball Swing Trainer Material: PVC Quantity: 1 Pc Color: Black Package Included: 1xGolf Wisdom Ball Swing Trainer