Name: MSZM SHULZHIMI Marble Design Vacuum Insulated Thermocup/Flask. Design: Features a distinctive marble-like pattern on the body and a gold-colored lid/cap. Material: Constructed from stainless steel, typically food-grade, for both the interior and exterior. Insulation: Utilizes double-wall vacuum insulation technology to maintain beverage temperature, keeping drinks hot or cold for extended periods. Durability: Made with quality stainless steel, ensuring durability and resistance to rust. Portability: Designed for easy transport and suitable for various uses, including daily use, travel, camping, office, or home. Features: Often includes a leak-proof lid to prevent spills.