Come and Check Our Promo Solutions.Double layer vacuum insulation technology, freezing insulation effect is well received by customers, coffee can be frozen for more than 8 hours, insulation effect for more than 4 hours.The sealed screw lid solves the leak-proof problem of all cups, no need to worry about leakage, the lid has two small openings, one hot, one cold, won't hurt the lips.Cup body made of high quality food grade stainless steel, does not affect the water quality, no odor, inside and outside the double seamless process.The mouthpiece is spillproof and can be opened with one hand. Easy to carry, can be packed in a backpack, briefcase, lunch box, suitable for home, office, outdoor and travel. Pls check inventory and detailed info with us before placing your orders.