Double wall vacuum insulated technology: This tumbler can keep beverages cold for up to 24 hours and keep hot for at least 6 hours. Perfect capacity: The capacity of coffee tumbler is 30oz. This size is suitable for most cup holders, you can carry it wherever you are that makes the journey fun. Thus, perfect as travelers, drivers. Handle design: Makes for a secure grip with no condensation. Keeps fingers dry. You won't need a coaster. Splash proof lid( not sealed): Put anywhere as you want and no worry to wet your place. Package: High quality 18/8 304 food travel mug, different steel straws, splash proof lid and straw cleaning brush. Perfect for the home, office, party, road trips, hiking, picnics.