2-in-1 Dual Opening with hidden straw: Enjoy three drinking options (direct, straw, or pouring) from one and the same thermos bottle. The thermos bottle's design is advanced and unique, with high-quality surface treatment, durable printing, modern style, and seamless integration with everything. Perfect as a gift for birthdays, graduation ceremonies, anniversaries, or corporate events. With a capacity of 500 milliliters, it is perfect for all-day use, especially suitable for schools, offices, travel, sports, or outdoor activities. You can take your favorite drink everywhere. It features a multi-layered vacuum insulation function that can keep your drink at a low temperature for 24 hours and at a high temperature for 12 hours. The vacuum sealing technology can maintain the temperature for a long time. The interior is made of high-quality food-grade 316 stainless steel, which has excellent corrosion resistance. Suitable for coffee, tea, juice, soda, and all other drinks without leaving any residual odor. It has a shockproof lid that can prevent leakage from the backpack or inside the bag. It has a non-slip surface and a drop-proof body, designed specifically for daily high-intensity use. Includes lid and portable woven strap, easy to transport everywhere. This is a durable, practical, and easy-to-clean gift that is perfect for personal or business details. Drink today and enjoy the day's drinks at the ideal temperature. Whether you are at home, in the office, or on the go, it is an ideal choice for coffee, tea, juice, or soda. Multiple layers of vacuum insulation can keep your drink hot or cold for several hours. Leak-proof and spill-proof design, non-slip surface, and drop-proof body, so you don't have to worry about daily use. Food-grade 316 stainless steel is internally corrosion-resistant and suitable for all types of drinks. The safe PP lid and BPA-free silicone seal ensure maximum safety for both adults and children. The 500 ml capacity is perfect to take to school, work, sports, or outdoor activities. Includes a woven strap, lid, and straw that can be given as a gift or used directly. There are classic black, minimalist white, and exquisite pink to choose from. Elegant and practical gifts for birthdays, graduation ceremonies, corporate events, or personal receptions. High-class quality.