Stainless steel vaccum insulated flask water bottle is 100% rustproof. No more stress when the soda spills. Designed with wide opening which is the perfect size for adding ice, easy drinking and cleaning. Perfect size to hold and fit most cup holders in car or bike. The stainless steel vaccum insulated flask water bottle is a durable and eco-friendly hydration solution designed to keep your beverages at the perfect temperature while reducing the need for single-use plastic bottles.

The stainless steel vaccum insulated flask water bottle incorporates double-wall vacuum insulation, which provides exceptional temperature retention. This technology allows it to keep hot liquids hot for up to 12 hours and cold beverages chilled for up to 24 hours, making it perfect for a variety of weather conditions.