Unleash your creativity with this Shrink Art Film Sheet Set, perfect for making unique jewelry, keychains, pendants and charms! INCLUDES: 20 heat shrink film sheets made from PVC, 100 open rings, 10 ear hooks, 10 keychains, 5 ball chains. DIY: A fun way to create your own pendants and charms, bookmarks, ornaments, zipper pulls, keychains and jewelry. The sheets shrink down to 20% of their original size. HOW TO USE: Draw and color a design on the frosted side of the film. Cut out your design and punch a hole in the desired area. Place the design on parchment paper in a preheated oven of 165°C/329°F for 1-2 minutes to shrink. Let the design cool for 3-4 minutes. SIZE: Film sheets: 7.88L x 5.75W inches. Open rings: 0.25 inch diameter. Ear hooks: 0.75 inch length. Keychains: 1 inch diameter ring, chain approximately 0.5 inches long. Ball chains: approximately 4 inch length. NOTE: Recommended for children 5 years and older, adult supervision required during the baking process.