[FOOD GRADE MATERIAL]: Mini tumblers are made of high-quality stainless steel material, which is anti-rust and durable, ensures high hardness. The sealing ring is designed inside the thermal insulation cup lid to prevent leakage. Because the sealing circle position is relatively hidden, it is not easy to clean. You can try to soak it with hot water and then scrub with white vinegar [EASY TO CARRY]: The stainless steel thermos bottle is lightweight and portable, easy to carry and leak-proof, very compact and lightweight. If you need to work outside all day or drive for a long time, this hot coffee travel mug is the perfect choice for you [KEEPING WARM]: Practical vacuum cup can be used to keep hot drinks, cold drinks in cold weather, fill your mini stainless steel water bottle with your favorite drink, keep you refreshed all day long [CUTE RABBIT SHAPE]: The mini reusable water bottles are designed with fashionable and cute rabbit patterns, cute and beautiful, very suitable for all kinds of gifts, Christmas gifts, New Year gifts, birthday gifts, wedding anniversary gifts [WIDE APPLICATION]: Vacuum mug cute thermos are suitable for use in any lifestyle situation, such as travel, office, picnic, outdoor long-distance hiking or trekking, sports running, beach, yoga, golf, travel, camping