Package Contains - 36PCS Shrink Film Sheets,11.4inch x 8inch / 29 x 20 cm Shrink Film Set - Made of high quality PVC,0.3 thickness,one side frosted one side smooth.Shrinks to 30% of its old size after heating Easy To Use - Bake 2 to 3 minutes at 320 degrees.Watch until it curls up,then flattens back out,THEN bakes another 30 seconds after it is flat.Take them out the oven and quickly press down with a heavy object to even out any little bumpy bits before it goes solid Semi Transparent Sheets - These crystal clear sheets are wait for you to create any image to show your amazing genius idea,great for making keychains, earrings, necklace, DIY ornaments Great Gift Idea - Making charms with your kids as gift for your family members,join this fun activity with your student,making gift for their parents, interesting, right? For Creative Craft DIY Ornaments Warm Notes: Adult supervision is required during baking, recommended for children 13 years of age and older. 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 shrinky 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: Transparent Material: plastic Size: 20x29cm Package Contents: 36 x Shrink Plastic Sheets