Marking Function: Various patterns, words and logos can be printed to facilitate consumers to identify product brands, specifications, production date and other information. At the same time, it also helps enterprises to carry out brand promotion and product anti-counterfeiting.
Decorative effect: Through different colors, shapes and designs, it can add beauty and attraction to the products. Some high-end products have beautifully designed rubber caps, which become an important part of the product packaging.

Variety of shapes
The shape of rubber caps is usually designed according to the shape of the container mouth. Commonly, there are round caps, which are used for most standard bottle containers, such as wine bottles, medicine bottles, etc.; there are also square caps, which are used for some specially designed containers with square bottle mouths. In addition, some caps have special shapes, such as petal-shaped or three-dimensional decorations on the top, which are used to improve the aesthetics of the products.
Size
Cap sizes vary depending on the application. The inside diameter needs to match the outside diameter of the container exactly to ensure a tight fit. Small caps may have an inner diameter of only a few millimeters and are used for small reagent bottles; large caps may have an inner diameter of dozens of millimeters and are used for large diameter containers, such as large cooking oil bottles.

In our daily life, although the rubber cap is inconspicuous, but it has many important features and plays an unignorable role.
First of all, the rubber cap has excellent sealing. It is like a loyal guard, tightly guard the mouth of the container, the outside world of air, moisture and dust, etc. to keep out. Whether it is a precious wine, an important medicine or a delicate cosmetic, the cap ensures that its contents are not contaminated and that the quality remains stable. For volatile liquids, rubber caps can effectively prevent them from evaporating, so that the value of the product can be preserved for a long time.

Red wine rubber cap is a material used to seal the mouth of red wine bottle, usually made of polyethylene or other plastics. Its main function is to prevent oxygen from entering the wine bottle and maintain the quality and flavor of the wine. At the same time, the red wine rubber cap also has the function of anti-counterfeiting and protecting the wine to avoid leakage or contamination.
The design of the rubber cap is usually more beautiful and can be coordinated with the overall style of the wine bottle. Many high-end red wines will also print brand logos or other decorations on the rubber cap to increase the recognition and attractiveness of the product.
The benefits of using red wine rubber caps include:
Strong sealing: effectively isolate the outside air and extend the shelf life of the wine.
Easy to open: Compared with traditional corks, rubber caps are usually easier to tear open and suitable for daily consumption.
Anti-counterfeiting function: Some rubber caps are designed with a

Effortless functionality meets style in PVC Heat Shrink Capsules. Made from heat-shrink PVC material, they provide unique decoration and outer sealing for wine bottles. Tear strips, in horizontal, vertical, and tear line options, ensure quick and easy opening. Customizable in color, size, design, and top material, these capsules elevate wine packaging with simplicity and flair, offering a sleek layer to traditional cork seals.

Discover practicality and style in our PVC Heat Shrink Capsules. Designed for easy bottle opening, they feature tear strips and customizable options in color, size, and design. Tailor your wine packaging effortlessly with our heat-shrink PVC capsules.