Introducing our thermos with heat retaining capabilities! Featuring vacuum insulation technology, it keeps beverages hot or cold for an extended period, while remaining cool to the touch. The durable stainless steel interior and exterior make it perfect for everyday use. This convenient and portable thermos is ideal for home, school, office, and travel, fitting easily in most cup holders. With its cute penguin design, it also makes a perfect gift for kids and students. Upgrade your life with our comfortable and stylish vacuum thermos!