Easy to Use: These shrink capsules are easy to use, if you don't have a professional heat shrink machine, you can use boiling hot water to close them. What You Get: The package includes 150 pieces of PVC heat-shrinkable capsules in 3, red, black, and gold. PVC: These wine shrink wraps capsules are made of high PVC, safe and non-toxic, you can use it with confidence. Decorate & Seal: The heat shrink capsules help to seal the wine bottle and decorate the empty wine bottle and make the wine bottle elegant and noble. Application: Wine bottle shrink caps are suitable for different wine bottles, party bags, wine collectors, and can be used in homes and kitchens.