Portable Tour Striker Smart Ball Golf Swing Training Teaching Aids Adjustable Features: Golf swing aid smart ball, ideal to keep your arms and body in good position when golf swinging, help you develop your golf striking skills. PVC flocking ball surface, anti abrasion and durable to use. 3 optional colors, black, gray and blue. Light weight and portable golf swing trainer, almost no stress on your body, correct your putter to driver swing posture and make you have effective golf swing. Equipped with an adjustable lanyard that meets the fit of anyone. Equipped with a portable air pump for you to inflate the trainer ball, easy to use and easy to store golf swing aid. Specifications: Material: PVC Flocking, Plastic Optional Color: Black, Gray, Blue Ball Diameter: 16cm / 6.3in Air Pump Length: 17.8cm / 7in(Random Color) Lanyard Adjustable Length: Approx. 34-104cm / 13.4-40.9in Use Tips: Slide the buckle adjusters together to fix the strap length. Open the cover of the ball inflation inlet, simply insert the pump into the ball and handy to pump, plug the cover back when finished inflation. Notes: Due to effect of light, camera and monitors, real items' colors may have slightly difference. Allow slight dimension difference due to manual measurement. Thank you for your kindly understanding. Package Includes: 1 X Golf Trainer Ball 1 X Air Pump (Others are NOT included) Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!