These innovative fully automatic beer caps are made from food contact material and fit standard crown cork bottles and threaded bottles—glass and PET. They are reusable, environmentally friendly, and easy to clean. Available in multiple colors and designed with insect protection, they are ideal for parties, festivals, and beach outings. They can also serve as promotional items and are compatible with logo or slogan printing. Enjoy carefree drinking while keeping your open bottles protected from contamination. Features: 1. Fully Automatic Function – Automatically opens and closes bottles, allowing for convenient and hygienic use. 2. Multiple Color Options – Easily identify your drink at gatherings with color-coded caps. 3. Environmentally Friendly & Versatile – Made from food-grade PP material; fits standard glass and PET bottles. Reusable and easy to clean with water. 4. Hygienic Protection – Helps protect open bottles from dust, insects, and contaminants at outdoor events. Can also function as a pourer for large bottles. 5. Customizable Surface – Offers print areas on the lid and sides, making it suitable for branding purposes. Ideal for breweries, beverage companies, sports clubs, and corporate promotions. Specifications: Material: PP Color: Multicolor Size: 6 x 3 x 4 cm Weight: 130 g (5-pack), 250 g (10-pack) Package Includes: 5 or 10 Beer Caps