Product size about : Wristband: 26*16cm/10.23*6.29'' Elastic band: 29.5*7.5cm/11.61*2.95'' Product color: As shown in the figure Product material:Polyester + rubber product features: Improve skills: The swing training wristband and training aid provide targeted swing exercises and real-time analysis to improve shot accuracy and better control, and the comfortable swing armband keeps your arms close to your body for a better swing. Keep your arms and body in sync. Correct errors: The wrist trainer and grip trainer focus on correcting swing posture errors and establishing a correct grip. This swing corrector ensures a stable and smooth swing, suitable for beginners and advanced golfers who pursue stable shots. Portable: The wrist support and practice wrist trainer adopt a lightweight and compact design. This portable swing trainer is easy to carry and store, allowing golfers to train and practice stable shots wherever they are. Enhance stability and control: After hard training, even if the product is removed, the muscles can retain the training memory and maintain a perfect swing posture. Suitable for Golf training at home or on the driving range, suitable for beginners, women and men. Precautions: 1. As we know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 set posture correction belt