Tumbler with lid and straw adopting double wall vacuum insulation technology, your beverage is kept at the optimal temperature throughout the day. Cold up to 24 hours, hot up to 12 hours. Made of high-quality 18/8 food grade stainless steel, the surface is covered with a durable and beautiful powder coating. Handle is designed with silicone, which makes you feel comfortable when holding it. This is an insulated car cup with a straw. Whether you are driving to work or on a business trip, our conical and slender base design of the insulated cup makes it perfectly suitable for most cup holders. Our car travel cup design can prevent overflow when bumping or jogging on the road.