These loop are made of plastic and tested, and easy to use. With self-locking design, thin are amazing and make tags look while assembled. It is hard to remove pin when it has locked, keeps the fastened objects marked till itself broken. Feature - ColorWhite - Material: Plastic. - Size: About 5inch(13cm), 7inch(18cm), 9inch(23cm), in length. - Excellent for hanging light weight holiday ornaments and decorations. - An excellent way to secure related items for use in a display or storage. - It can be used in clothing, shoes, socks, jewels, umbrellas and so on. - Form a circle that allows you to labels on clothes and shoes. - Self-locking tag provide security, once locked can not be pulled apart. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 3000 x tag