100%Stainless Steel Durable structure. Made of 304 food grade stainless steel structure, the travel vacuum cup adopts the material without containing PBA and having no holes, leaving dirt nowhere to hide. The toner-coating will not be dissipated, which will also not fade, and is not easy to scratch. Coming with gift box and a silicone cover, there is no need to worry about the scratches and dents caused by the accidental falling of the vacuum cup, so the long-term strength and use are guaranteed. Universal travel cup. With suitable size, the travel cup can fit for most cup holders and beverage utensils. Therefore, it is an ideal choice for those who like fitness, outdoor sports or a cup of hot coffee on the way to school. High-tech insulation. As the perfect container for hot or cold drinks, this cup has excellent thermal insulation. This is able to keep your drinks hot and cold for up to three hours for the filling of coffee, iced tea, lemonade, hot chocolate or other drinks. Cleaning design. BORIET has always focused on the design of safe, spill-free and drip-free cup on the road. The is equipped with two strong bottle cap seals to prevent leakage and minimize the distraction of driver. 100% safety assurance. No use of more heavy metals, the lifetime warranty and 100% satisfaction or full refund are provided. You can get the product and really experience the high-quality coffee cup set.