Uxcell Anti-Theft Retail Security Hard Tags with Pins Sound Magnetic Back Square 50 Pack

What is this? Using special magnetic Suitable for locking in clothing shoes and hats sports bags etc. Is there any advantages of the product? Made of ABS wear-resistant high sensitivity the overall appearance is small and beautiful easy to Install It takes less than 5s to install this Lock. How to use it? No need to use any external tools you can complete the installation by hand. Simple structure and reliable workmanship can be used repeatedly What should I notice? The pins are already installed on the tags for shipment. please kindly make sure your magnet is the same frequency to make sure the pins are removed successfully.