Easy to use-These heat shrinkable caps are very easy to use. If you don't have a professional heat shrink machine suitable for capsules, you can use boiling water. Use-To fix the bottle in your bottle, you need to heat it to shrink it. This can be done in kettle steam or using a high-power blower, or in a quick and . Boil a pot of water and allow it to cool down, line up the bottle and prepare it, then pour the bottle onto the kettle with a long knife, and then pour the bottle into the water for 2 seconds. can find the lid. . Professional appearance-Add a heat shrinkable cap to the bottle, no matter where you use it, it can show a professional appearance. Uses: food Thickness: 0.1 (mm) Tensile properties: good Production process: calendering method Special packaging: wine, beverage packaging size:32mmx60mm Material:pvc colour:wine red Package Contents: 300 x red wine hats 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.