Keeps Drink Hot or ColdHASAGEI insulated travel mug uses a unique vacuum insulation technology. Long-term experimental tests have shown that it can keep hot or cold drinks for 6-12 hours at room temperature. Pour hot or iced coffee Into your coffee mug, let the temperature accompany you all day. 100 percent Leak ProofThis is a leak proof and reusable coffee cup, with a leak-proof lock design that firmly locks the lid and has a built-in silicone ring to avoid water leakage. After drinking the coffee, just close the lid and buckle the lock. No matter how you shake the cup, it will not leak and prevent it from accidentally opening in your bag or car cup holder. Double-Wall Stainless Steel Thermal MugThe reusable coffee cup is made of high-quality stainless steel and does not contain BPA and toxic substances. The inner tank is made of 304 stainless steel, and the outer shell is made of 201 stainless steel, which is sturdy and durable, which can effectively prevent the growth of bacteria and keep the drink without peculiar smell. The bottom of the coffee flask has a rubber sole to provide extra stability. Lightweight and PortableThis Travel mug adopts a lightweight and slim design, easy to clean and carry. It is your ideal new companion on the road, at home, office or outdoors, and is compatible with most standard car cup holders. It is suitable for storing any hot or cold drinks. You can store coffee, hot water, ice water, juice, tea, etc. according to your preference. 100 percent Satisfied ServiceOur stylish travel cup is very suitable as a gift to your family or friends. If you encounter any problems while using our products, please feel free to contact us, we will work hard to solve your problems and continuously improve the quality of our products.