HIGH QUALITY DOUBLE WALL STAINLESS STEEL INSULATED MUG - This vacuum tight coffee mug from SUS304 is made of high quality 18/8 stainless steel inside and outside and equipped with a food safe lid. Environmentally friendly, durable and built to meet the demands of daily use. This reusable travel mug replaces a conventional disposable travel mug. Keep hot and cold: ice cream or hot, choose our coffee mug. The double-walled insulation maintains the temperature inside regardless of the outside temperature. This leak-proof, insulated thermal mug is guaranteed to keep your drink hot for 6 hours or cold for 8 hours. Even after work, you can enjoy a cup of hot coffee. It's as if your family were always by your side. Oversized upgraded capacity: 500 ml travel coffee mug. Wide mouth shape and narrow base beautiful shape, the cup design is made to feel natural in the hand and bring a good feeling of use for you, you can enjoy your coffee, tea, juice very well. UNIQUE LEAKPROOF LID AND NON-SLIP SILICONE SLEEVE - Thermal cup with leak-proof lid, silicone seal on lid ensures good leakage resistance. The lid surface has a straw hole design, with a straw to reduce splashes that can be opened to drink directly. The insulated cups have a non-slip silicone cover that feels comfortable and does not slip. WIDE APPLICATION - Perfect large coffee travel mug for outdoor adventures and fit most vehicle cup holders, home, office, party road trips, camping, travel, car, beach, hiking, active sports, picnics, just about any other activity you can dream of. This robust and durable quality, carefully designed, durable, drip-proof, rust-proof.