Double-Layer Plastic Straw Cup are made of top-grade and clear plastic material, which are BPA free, lead free and durable. These adopt the design of double wall insulation that can keep your drinks hot or cold, and also prevents condensation. This cups not only could meet the demand for hot and cold drinks: coffee, milk, tea, water, juices, ice cream, champagne, cocktail, whiskey, but also suitable for indoor or outdoor use: home, office, birthday party, picnic, camping or daily use.