Personalized Water Bottle, 17oz Custom Engraved Double Wall Insulated Bottle, Sports Water Bottle

Feature's

1. Function: Thermos bottles minimize heat transfer through convection, conduction, and radiation. 
2. Temperature Range: They can maintain temperatures from -20°C to 200°C. 
3. Material: Typically made of stainless steel, ensuring durability and resistance to rust and corrosion. 
4. Use: Suitable for various beverages, including water, tea, coffee, and even soup. 
5. Benefits: They are leak-proof, reusable, and help reduce the need for constant refills, making them environmentally friendly. 
6. History: The first reusable vacuum flask was invented 121 years ago.