Inside. Outside. On a boat. Poolside. At the beach.This glass will keep your wine cold no matter where the party is.Using the natural insulating properties of air, the Tervis 9 oz. Wine Glass will keep your favorite beverage cold until you're ready for another. This permanently-sealed plastic glass features double-wall construction to reduce condensation. It's also BPA free and microwave and dishwasher safe. Made in the USA.