Purpose and key benefit Keeps flies and airborne debris out of drinks while preserving airflow and visibility. The fly-proof mesh provides a hygienic barrier without interfering with your beverage. Stability and wind resistance Weighted edges and a draped trim create a secure fit that resists gusts and prevents flyaways, so covers stay in place during outdoor dining. Compatibility and function Crafted to fit every cup type, these covers work as wine glass or cocktail covers, protecting a wide range of glassware and cups in any environment. Portability and convenience Folding design makes the covers compact and easy to carry, ideal for packing into picnic baskets, coolers, or luggage without taking up extra space. Practical performance Combines secure holding, breathable mesh protection, and a travel-friendly form factor to deliver a practical, unobtrusive solution for keeping drinks clean outdoors. Use scenarios Patio or backyard dinners: Keep insects out of wine and cocktails while guests enjoy fresh air. Picnics and camping: Portable covers protect drinks at a campsite or park without adding bulk to your gear. Banquets and outdoor events: Maintain hygiene and presentation for served beverages during weddings, receptions, or catered functions.