Simple to Use: This is very easy for Primary . Just draw and color your favorite art, cut it out with scissors and it will shrink in your oven.Suitable for Colored pencils, crayons, markers and rubber stamps. Function: These shrink films are suitable for DIY pendants, earrings, keychains, jewelry, buttons, gift tags, zipper pulls, bookmarks and ornaments, endless of making shrink. You will be very happy and more confident When you done This is a very interesting heat Shrink plastic keychain making set. Instructions: 1. Draw a pattern you like on the frosted side and then color it with colored pencils; 2. Cut along the pattern line with scissors; 3. Punch a hole on a reserved space or on the pattern for jewelry attachment; 4. Preheat the oven to 165/329, place it on parchment paper or cookie baking sheet, just need to bake for 1-2 minutes; Or use heat to shrink 5. Watch it shrink. Once the piece flatten out again, let it be still for a few seconds; 6. Put the key ring through the hole Warm Notes: 1. Prohibit the use of people under 12 years old. 2. It is recommended to put the frosted-side up when baking. 3. Please test the temperature of your oven before putting the sheet in it, There may be slight deformation if temperature is not high enough 4. The shrink piece is very hot after baking, please do not touch it immediately. 5. Applying white emulsion or epoxy resin over top of the can prevent them from rubbed off or smudged. 6. Do not heat it on the metal or crude pottery Colour:As Shown Material:Metal +plastic Size: Shrink plastic:.7.9x5.7inch/20x14.5 cm,0.3mm thick Key chains:1.5inch/3.8cm(length),0.8inch/2cm(diameter) Ball chains:4inch/10cm(length) Package Contents: 1 * Shrink Plas Sheets set 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.