- Superior Temperature Retention: Our insulated vacuum flask keeps beverages cold for up to 12 hours and hot for 24 hours. Made from food-grade 18/8 stainless steel, the double-walled construction ensures your drinks stay at the perfect temperature, meeting your hydration needs throughout the day. - Leak-Proof Design: Engineered with advanced materials, this thermos is built to withstand drops and prevent deformation. The press-fit lid features a silicone ring for a secure seal, ensuring no spills while you're on the move. - Versatile Gift Option: Available in several colors, this insulated water bottle comes with three interchangeable cups. Share your favorite drinks like water, tea, or coffee with friends and family, making it a thoughtful gift for any occasion. - Perfect for Outdoor Activities: This stainless steel water bottle is ideal for a variety of outdoor settings. Whether you're traveling, hiking, camping, biking, or heading to school, it's designed for convenience and durability, ensuring you stay hydrated wherever you go. - Material and Performance: Crafted from premium stainless steel, this flask is not only durable but also resistant to rust and corrosion. Its lightweight design makes it easy to carry, while the wide mouth opening allows for easy filling and cleaning. - Compatibility: Fits most standard cup holders, making it a practical choice for your car or backpack. Perfect for both hot and cold beverages, it adapts to your lifestyle effortlessly. Choose our insulated vacuum flask for reliable temperature control, durability, and versatility in any situation.