- Multi-layer insulation technology: Equipped with polyurethane hard foam, this product offers low heat conductivity for excellent insulation and cold preservation. Ideal for keeping your favorite beverages like milk tea, coffee, and juice at the perfect temperature. Please note that this is a physical insulation feature only; it does not provide heating. - High-quality stainless steel inner tank: The inner tank is crafted from premium stainless steel, ensuring durability and reliability. Its double insulation design keeps your drinks hot for 6-12 hours, allowing you to enjoy your beverages at your leisure. - Leak-proof design: The vacuum suction cup is engineered to be 100% leak-proof. Combined with a secure sealing clip, it effectively prevents any leakage, maintaining your drink's temperature and preventing spills. - Safe and durable construction: Both the inner and outer layers are made of rust-proof stainless steel, ensuring safety and longevity for everyday use. Use Cases: 1. Take your morning coffee on the go, knowing it will stay hot during your commute. 2. Enjoy refreshing iced tea or juice during outdoor activities, with assurance that it will remain chilled for hours. 3. Perfect for picnics or road trips, keeping beverages at the desired temperature without the worry of leaks. This product combines functionality with durability, making it an essential addition to your beverage storage needs.