Package Including: 30pcs round button badge with safety pin(including 30 front and 30 back) , size is 6 * 4cm/2.4 * 1.6in(diameter and thickness), can insert in 5.4 * 0.02cm/2.1 * 0.008in photo/paper/logo. Badge blanks standard size for you better to DIY Easy to Use: Badge making kit can be assembled without a machine, you just need to put your picture, photo or logo between 2 covers and close the button tightly by hand, lastly tugged on the pin to check if they were snapped together. Durable Materia: The button craft badges are made of clear sturdy acrylic, no abrasion, not friable, individually packaged. Reusable: Badge making for kids can be applied repeatedly, design your own inserts and print them out to create your own personalized button; You can change different style as you like. Widely Application: Blank badges make your own, make memorial pins for your friends and co-worker; They are suitable for making DIY crafts, school projects, and serving as wonderful gifts on birthday party and wedding