Product Review
We always work hard to ensure high quality standards through 3 times quality checks, while we regrettably still come across defective products occasionally, so if you have anything about the quality of your items, please kindly let us know. There are the steps to contact seller: Sign in your amazon account - choose "your orders" - find that order - click "contact seller" on the right side. The magnet of the clasp is very strong, no problem with most sports, if your bands does not work good, please kindly contact us for your warranty replacement.






