High quality double-walled stainless Steel Travel mug: This air-proof leak-proof coffee mug is made of durable premium 18/8 stainless steel interior and exterior, complete with lid. Environmental protection, durable, can meet the needs of daily use. This reusable coffee cup replaces the traditional disposable thermos cup. Keep hot and cold: Ice or hot, you can choose our coffee cup. The double layer of insulation maintains the internal temperature regardless of the external temperature. This leak-proof insulated thermos is guaranteed to keep your drink hot for 6 hours or cold for 8 hours. At the end of the day, you can enjoy a hot cup of coffee. Just like your family is always there for you. Large upgrade capacity: 510ML travel coffee cup. The beautiful shape of wide mouth and narrow bottom, the design of the cup makes your feel natural, bringing you a good sense of use, you can enjoy coffee, tea, juice well. Unique leak-proof cover and slip-proof silicone sleeve: Vacuum cup with leak-proof cover, silicone seal on the cover provides excellent leak-proof effect. The surface of the lid has a pipette hole design, using the pipette to reduce splashing, can be opened to drink directly. Collapsible thermos cup with non-slip silicone cover, comfortable to touch, anti-slip and anti-fall. Widely used: The perfect large coffee travel mug for outdoor adventures, suitable for most car cup holders, home, office, party road trips, camping, trips, in-car, beach, hiking, active sports, picnics, almost any other activity you can dream of. This product is strong and durable, carefully designed, strong and durable, anti-fall, anti-rust.