Package Contains - 18PCS Shrink Film Sheets,11.4inch x 8inch / 29 x 20 cmShrink Film Set - Made of high quality PVC,0.3 thickness,one side frosted one side smooth.Shrinks to 30% of its old size after heatingEasy To Use - Bake 2 to 3 minutes at 320 degrees.Watch until it curls up,then flattens back out,THEN bakes another 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 solidSemi Transparent Sheets - These crystal clear sheets are wait to create any image to show your amazing genius idea,great for making keychains, earrings, necklace, DIY ornamentsGreat Gift Idea - Making charms with your kids as gift members,join this fun activity with your student,making gift for their parents, interesting, right?For Craft DIY OrnamentsWarm 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 rubbed off or smudgedThere may be slight deformation if the temperature is not high enough. Do not heat it on the metal or crude potteryColour:TransparentMaterial:plasticSize:20x29cmPackage Contents:18 * Shrink Plastic SheetsOnly 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.