Double Layer Thernal Flask BottleThe Double Layer Thermal Flask Bottle is a premium hydration solution designed to keep your beverages at the perfect temperature for extended periods. Constructed with a robust double layer design, this flask features advanced thermal insulation technology that maintains the temperature of your drinkshot beverages stay hot for up to 12 hours, and cold drinks remain chilled for up to 24 hours. Made from high quality stainless steel, the flask is both