【Leak-Proof Design, Even Upside Down】 Features a completely sealed design and a foldable nozzle. This straw tumbler is leak-proof even when inverted. The lid provides peace of mind when carrying it in your bag. Perfect for commuting, school, and travel. 【Large Capacity Design: 1200ml】 A large capacity tumbler that can easily accommodate ice. Ideal for summer or long outings. Helps you naturally build a hydration habit, aiming for "2L a day." 【Vacuum Insulation for 12-Hour Cold Retention】 Utilizes vacuum double-wall insulation technology to maintain temperature for extended periods. Keeps cold sports drinks and iced coffee tasting great. Perfect for the office, gym, and outdoors. 【Convenient Handle for Portability】 The included handle makes it easy to carry and comfortable to use in your car or at the gym. This practical, large-capacity lidded tumbler supports your daily hydration needs. 【Easy to Wash and Hygienic】 The wide opening makes it easy to add ice and allows for thorough cleaning. "Ease of washing" is essential for daily use. A safe design that ensures cleanliness. Reference Price: 3980