Keep your favorite mug or cup clean and dust-free with these 2pcs Metal Drink Tea Coffee Cup Cap Lid Covers. Made of sturdy metal material, these covers seal tight on all smooth rims like cups, mugs, and glasses, preventing spills and keeping your drink hot for longer. With a convenient and portable design, these covers are perfect for use at home, office, or even when camping to keep flies, wasps, and other unwanted things out of your drink. They are also great for outdoor wine covers. Suitable for ceramic, glass, plastic, paper, or any other material cups, these reusable lids can be cleaned in the dishwasher. Ensure the perfect fit for your cup with a total size of 9.3 x 2.5cm (3.7" x 1") and a fit for cup mouth diameter of 8.5cm (3.3"). Notice: