Premium Stainless Steel: Crafted from high-quality stainless steel, ensuring durability and longevity for your daily adventures. Optimal Insulation: Featuring double-walled insulation technology, your beverages stay refreshingly cold or comforting hot for extended periods. Leakproof Confidence: Engineered with leakproof technology, it keeps your drinks secure inside, making it perfect for on-the-go use without worrying about spills. 350ml Capacity: Just the right size to carry your favorite drinks while fitting comfortably in your bag or cup holder. Versatile Use: Suitable for a wide range of beverages, from water and tea to coffee and more, accommodating your various hydration needs. Thoughtful Birthday Gift: A heartwarming present for Sanrio enthusiasts of all ages, combining captivating design and practicality. Portable and Convenient: Compact and travel-friendly design makes it an ideal companion for school, work, travel, or simply enjoying your leisure time. Easy to Clean: The stainless steel material ensures easy cleaning, allowing you to keep your thermos cup looking and tasting great. Expression of Style: Express your personal style and passion for Sanrio Anime with every sip, turning your beverage routine into a joyful experience.