Thermos cup used the vacuun-seal technology and double-wall construction, vacuum insulation for maximum temperature retention, keeping drinks hot for as long as 8hrs and cold for 12hrs . It's not easy to rust, corrosion and easy to clean.Drink healthy with our BPA free water bottle. Drinking more water has never been easier with our large water bottle. The sleek, modern shape of our reusable water bottles make them great for work, school, and workouts at the gym.
