Each heat shrinky paper sheet is about 7.9 x 5.7 inches/20 x 14.5 cm in size and 0.3 mm thick, which can make sufficient keychains and are a good choice for friends, colleagues or family. This keychain making kit is very suitable for beginners of handcrafts, and the production process is very interesting shrinky plastic sheet kit comes with 20pcs sheets blank shrinky films, 30pcs keychain clips, 30pcs split key rings, 30pcs key rings with chain, 30pcs jump rings, 10pcs bead chain, 20pcs tassels and 1pcs hole punch, can meet your various manual needs Draw your favorite pattern on the shrink film, cut out the pattern and punch holes, place the plastic sheet on baking paper or baking tray, preheat the oven to 163℃/325℉, bake for 1-2 minutes; or use a heat to shrink it. These shrink plastic films are made of PVC, frosted on one side, and easy to color. After heating, the pattern can shrink to 20% of the original size. It is delicate and , and can give full play to your unlimited potential. This shrink plastic cannot be used for printing Use these shrinky film kits to make pendants, keychains, decorations, jewelry, or anything you can think of. Whether it's a birthday party or a fun family craft night, this shrink film set can add a personalized touch to each project and show your creativity