Upgrade your drink game with the copper-lined 3 in 1 insulator from the Bestie Collection. This practical promotional product is not only slim and versatile, but it also features a copper lining that helps to keep your beverages colder for longer. It fits standard 12oz cans, 12oz slim cans, and most 12oz glass bottles without any additional parts or lids. Plus, its sleek design and durable powder coating make it the perfect way to showcase your brand and gain valuable exposure. Don't settle for an ordinary insulator when you can have the copper-lined 3 in 1 from the Bestie Collection.