Model Number: BL16090801-#8131 Brand Name: BL Key Specifications/Special Features: Hollow-out and color filling metal bookmark with sticker domed:Material: zinc alloyProcess: corrodingSize: 110*50mmPlating color: gunmetalBookmark is one of the tools to managing the book page you have read. That make it easy to get back to your favorite places. This article goes over the basics of making and managing your bookmarks.