1. Large Capacity & Convenient Design：With a 40oz large capacity, it meets the water needs of daily use, outdoor activities and other scenarios. The wide cup mouth design makes cleaning easier and drinking more convenient, paired with an ergonomic handle for a comfortable grip. 2. Food-Grade 304 Stainless Steel Liner：Equipped with a food-grade SUS304 stainless steel liner, it is corrosion-resistant and acid-alkali resistant, rust-free and odorless, ensuring drinking health from the material and keeping you away from harmful substances. 3. Long-Lasting Insulation & Leak-Proof Seal：Boasts excellent long-lasting insulation performance, and the tumbler is fitted with a leak-proof lid. You don’t have to worry about leakage when placing it in a backpack or car, making travel more worry-free. 4. One-Click Direct Drinking & Removable Straw：The lid supports one-click opening for direct drinking mode, which is simple and quick to operate; the food-grade straw is removable, allowing for thorough cleaning with no dead corners and more hygienic use. 5. Stylish Appearance & Multiple Color Options：Featuring an elegant and fashionable design, it comes in a variety of color styles, which can not only meet practical needs but also fit different aesthetics and matching styles.