Package Content-12PCS shrink plastic sheets.0.3 thickness,Semitransparent, one side frosted and the other glossy. Does not support printing Shrink Paper Sheets-Made of high-quality Paper ,easy to shrink to flat.Shrinks to 20% of its size after heating Easy To Use-Bake 2-3 minutes at 320 degrees.Watch until it curls up and flattens back out.Take them out of the oven and quickly press down with a heavy glossy object (Smooth and thick like a book) to press flat.(Do not touch the heat shrink sheet directly from the oven, because it is very hot) A Blast from the Past-These shrink art paper sheets show your kids some of the things you played with as children. shrink plastic sheets are easy to handle, color, cut and shrink well. It will keep your kids away from their tablets and phones for a quality time. This shrink film sheets product that will remind you and me of our childhood Unlimited Creative Space- Shrink plastic craft activity set suitable for all ages.Draw your designs and then you can make all kinds of jewelry, key chains, refrigerator magnets, bookmarks and other kinds of art as gifts for Father's Day, Mother's Day, Christmas, Teachers' Day,Birthday, perfect for school art activities Shrinky Plastic Sheets Warm Notes: Adult supervision is required during baking. The frosted-side up when baked is recommended. Do not touch the shrinking piece immediately after it's baked because it's very hot. Applying epoxy resin over the top of the shrink can prevent color from getting rubbed off or getting smudged There may be slight deformation if the temperature is not high enough. Do not heat it on the nude metal or crude pottery Colour:As Shown Material:Paper Size:A: 8 x 5.7inches Package Contents: 1 set x shrinky dink sheets Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.