This travel mug is made of high quality 18/8 food-grade stainless steel, light weight and durable quality, sweat free, outside stays dry. Has a 30 ounces large capacity design, and it is suitable for storing any beverages. It can be used in travel, driving, home, camping, vacation, and sports. Especially when driving, because the size is suitable for any car cup holders. Equipped with double-wall vacuum insulation, your hot drinks will stay hot and cold drinks cold. With a narrow design and accessible base, this tumbler can tag along with you wherever you go.