The shrink plastic sheets allows you to create all sorts of different art crafts such as keychains, DIY pendant, earrings, ornaments, hairclips, brooches, jewelry, buttons, gift tags, zipper pulls, bookmarks, anything you want. The endless possibilities enable you to explore unlimited creativity and personalise your artcrafts. The plastic keychain kit package can full meet your requirements, which contains 20xheat shrink papers(15xblank papers +5xpatterned papers), 1xhole puncher,50xopening rings,12xkeychains, 12xcolourful keychains with string, 5xbrooches,10xear hooks, 15xchains, 12xhair clips. The heat sheets paper kit is a great choice for children and DIY crafts lovers. It offers opportunity for children to observe the changes in the shape of the shrink, bringing visual pleasure, developing their hands-on ability, creativity and concentration. draw and color the pictures you like in the shrink paper, cut it out, and then put in your oven for baking 2-3 minutes at 320 degrees, and they to curls up until flattens back out, at that that time you should give another baking time. After that take them from your oven and quickly press down with a heavy object to even out any little bumpy bits before it solid. Finally you get a art crafts. Made of high quality shrinking PVC which is 0.3mm thickness, provides higher shrinky effect. One side frosted and the other glossy is easy for coloring. Size in 20x14.5cm enable you to cut freely according to your needs. Shrinks to 20% of its size, and 5 times thicker after heating.