This large capacity 40oz vacuum travel mug is made of stainless steel, offering excellent thermal insulation performance of 6-12 hours. It features a portable design with a handle and lid, making it ideal for outdoor activities like travel, camping, and hiking. The cup supports customized logo printing, available in 15 colors, and comes individually packaged with options like gift boxes. Suitable for beverages, coffee, or tea, it is versatile for home, office, school use, and gifting purposes.