The Shrinky Dinks Kit by Pangea Brands contains 12 pre-colored shrinkable graphics to create your own key chains, pins, zipper pulls, magnets, and stand ups in just 4 easy steps! Shrinky Dinks are made of an amazing plastic that shrinks to 1/3 its size and gets 9 times brighter and thicker when heated in an oven. Cut, bake, shrink, create! All Shrinky Dinks are made in the USA.