Features: 1.Diamond bookmarks are easy to operate and complete, each color and filling has a corresponding number 2.Used for beginners and diamond bookmarks lovers to enjoy the fun of DIY, enrich your time and add more fun to your life 3.The latest research and development natural environmentally friendly non?iron round diamonds are used, which is easy to operate 4.The cutting is clear and more three?dimensional with 5D effect, and 30% more diamonds will be put in each painting to guarantee sufficient 5.Cultivating children's artistic sense, exercise color distinguish, imagination and patience, also help you to experience a sense of accomplishment, release stress and enhance self?confidence, improving relationship between you and your child specification:Item Type: Diamond Bookmarks Model: AA253 Bookmark Size(L x W): Approx. 20.5 x 5.5cm / 8.1 x 2.2in Material: PU leather + fancy shape diamond Function: DIY for students, daily painting PackageList: 2 x Bookmark 2 x Tassel 24 Pack of Resin Diamond 2 x Pen 2 x Tray 2 x Gel NotePlease allow tiny size error due to manual measurement. Thanks for your understanding.