These innovative fully automatic beer caps are made from food contact materials 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 also serve as advertising mediums and can be customized with logos or slogans. Enjoy carefree drinking while protecting your open bottles from contamination or pollutants. Features: 1. Fully Automatic Operation: Automatically opens and closes bottles, allowing for convenient and hygienic use. 2. Multiple Color Options: Helps identify individual bottles at gatherings such as garden parties or barbecues, making it easy to assign drinks. 3. Environmentally Friendly and Versatile: Made from food-grade PP material. Fits standard glass and PET bottles with crown corks or threaded closures. Reusable and easy to rinse clean with water. 4. Safe and Hygienic: Protects open bottles from contaminants in environments such as clubs, festivals, and beaches. Can also function as a pourer for large bottles. 5. Customizable Surface: Offers print areas on the lid and side surfaces, suitable for logos, slogans, or branding. Ideal for use by breweries, beverage distributors, sports clubs, and corporate clients. 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