This 500ml double-walled vacuum thermos is made of recycled 304 stainless steel and food-grade PP material. It has passed BPA-Free and LFGB food safety certifications, containing no harmful substances, so it is safe for adults and children to use. Adopting double-wall vacuum inner liner technology, it effectively blocks heat transfer and delivers excellent heat and cold retention performance. It can keep hot drinks warm and cold beverages chilled for a long time, perfectly meeting your daily drinking needs. Designed with user-friendliness in mind, it features a push-to-drink mechanism for easy water dispensing. The lid is crafted into a small drinking cup, which brings great convenience and effectively prevents scalding. Equipped with premium sealing parts, the lid provides reliable dustproof and leakproof performance. You can carry it around without worrying about spills during commutes or trips. Available in multiple classic colour options, this thermos features a simple and elegant look to match different tastes. With a practical capacity and versatile design, it is ideal for home, office, outdoor activities, sports, school and more. Sturdy and well-made, it combines safety, functionality and aesthetics. It is a cost-effective daily drinking container, and also a great choice for personal use or as a gift.