【3-WAY Twist Cover】 The lid is made of Tritan resin, allowing you to see the contents, and is completely sealed. By sliding and rotating the cover attached to the lid, you can use the drinking spout for straw drinking as well as direct drinking. 【High-Quality Food Grade 304 Stainless Steel】 Made of high-quality food-grade 304 stainless steel, it contains no PBA, hydroxides, lead, or other non-toxic substances. 【Large Opening for Easy Ice Insertion】 The wide mouth allows you to thoroughly wash the bottom, and you can easily wash every corner. 【Lid and Straw Can Be Disassembled and Washed】 The lid and straw can be disassembled and washed, and the lid and straw have a cleaning design, so you no longer need to worry about mold. 【Large Capacity for Daily Hydration】 The large water bottle can meet your daily water and fitness needs throughout the day! 【Applicable to Various Situations】 This direct-drinking tumbler is perfect for use at home, in the office, while driving, outdoors, watching sports, and more! It fits perfectly in car cup holders and is highly portable! 【Excellent Heat Retention and Cold Retention】 Heat retention: 50 degrees Celsius or higher (6 hours) / Cold retention: 8 degrees Celsius or lower (6 hours). This water bottle has a vacuum-insulated double-wall structure that excels at cold and heat retention, keeping your drink at the perfect temperature for a long time. 【Leak-Proof, Non-Slip, and Sweat-Resistant】 The powder coating on the surface is not only matte and stylish but also prevents slipping even with wet hands, so you can use it with confidence in situations where you sweat during sports.