Clip closure ABOUT THE GOODS: They are made from a superior no smell high density polyethylene composite material, spiral construction creat high elastic. It will not become thin even stretch the spiral coil ring to its full extent, and it will automatically return to the original shape soon. BEAUTIFUL COLORS: Each coil ring with 6 gradual changing colors can be easily paired with anything, simple and easy design lets you more outstanding among friends. Beautiful colors give you good mood every day. ENDLESS SHOW OPPORTUNITIES: They are perfect for home , office, workshop, shopping mall, sauna and any other outdoor activities place. they are not only a keyrings, but also a beautiful fashion bracelet at the same time. If you are still hesitating what little gift for a friend, these will be the best choice. Practical and beautiful at one step. PACKAGE INCLUDING: Come with 6PCS bright colorful assorted pearlized colors just as images show.