Thermal mug 330 ml with double walls, which in comparison to the single, extend the time of keepimg high temperature of hot coffee or tea. Depending on external conditions, the cup keeps beverage warm up to 10 hours. Its universal design and robust construction make it suitable for most car or bicycle holders. Additionally, to enhance functionality, mini-storage is provided in a sealed lid. What's more, low weight makes it very convenient to transport during a survival expedition or hiking in the mountains.