These practical PVC Heat Shrink Capsules preserves by stopping the oxidative process that causes it to go bad. Prevent bubbles from escaping the to preserve its flavor. It protects the very well. Provides a strong and airtight seal with excellent shrink effect. Features -Color:Green -Material:PVC -Size:4.80X3.30X3.30cm/1.89X1.30X1.30in -Diameter: -These shrink films feature bright color, which is good for and very decorative to use. -With our heat shrink film, you can easily seal your homemade grape bottles. -Suitable for most different bottles, the Shrink Capsules are perfect as a practical small gift for a collector. -These heat shrink capsules can be used when a of has opened but not finished, to keep fresh. -Easy and convenient: These heat shrink capsules are easy to use, save you time and are very convenient. Package list: heat shrink films