Sufficient sets for making buttons: you will be provided with 100 sets blank button making supplies, each set includes 1 metal shell, 1 metal back cover and 1 transparent film, which these sufficient and practical round button making parts, you are able to make 100 pieces buttons or badges with your own style Size details: these round badge button parts are designed for making proper sized button badges, the metal shell is 25 mm/ 1 inch in diameter, metal back cover is 23 mm/ 0.9 inch in diameter, transparent film is about 35 mm/ 1.38 inches in diameter, you are supposed to use the button making machine which is compatible with 25 mm/ 1 inch badge components, in that case, you will get your buttons finished to adorn your clothes and bags Personalize your own buttons: metal button pin badge kits are blank on the surface for you to personalize and DIY, just choose your favorite picture, photo, sticker or portrait and cut it down into a fitting size, then cover it with the metal button cover, the picture and the plastic film are sequentially pressed on the badge machine mould, after the press is formed, put the back cover on the mould and press together tightly to get done Nice material: both round button shell and back cover are made of tinplate, sturdy and firm, rustproof and hard to break or deform; The transparent film is obtained from PVC, which can provide a protection for the button surface and make it smooth; These accessories are well matched to facilitate your button making process, allow you to wear the finished buttons for a long time to display your personal charms Prepare gifts: after finishing your button pin badges with interesting patterns, you can prepare them as creative and menaingful gifts and send to friends, classmates, family members, lover and so on, they will be happy to receive them on occasions like birthday, holiday, travel and graduation ceremony, they will be amazed by your talent and creativity to make such lovely items Features: Show your talents and creativity: While customizing, your can choose your selfies, family photos, pictures, logos or other elements and cut them into a suitable size for matching the button, just release your creativity and show your talents of DIY. Where to decor: You can attach the completed pin badges to your bag, backpack, luggage, uniform, clothes, jackets, hats and other handicrafts, to identify them with your own style, also add a decorative effect, the pin design also makes fixing process easy and convenient. Specifications: Material: tinplate, PVC Button shell diameter: approx. 25 mm/ 1 inch Button back cover diameter: approx. 23 mm/ 0.9 inch Transparent film diameter: approx. 35 mm/ 1.38 inch Color: as shown in pictures Quantity: 100 sets Package includes: 100 Sets blank button badge parts Notes: Please allow slight size error due to manual measurement. Please allow slight color difference due to different monitor. S and pointed items, keep away from little kids.