Feature: 1. Portable and durable. Ideal for travel, outdoor activities, car, office, home, school, picnic, hot yoga, hiking, camping, etc. 2. Made of 304 stainless steel, double layer vacuum design, safe, BPA-free and eco-friendly, no smell, and easy to clean. It can keep hot or cold water for 12 hours. 3. This vacuum flask water bottle is also a good container for coffee, Juicer, milk, beer, drinks, and daily hydration. Great Gift for family and friends.