Leakproof Stainless Steel Smart LED Thermal Vacuum Flask Heat Cool Insulated Thermos Flasks Hot Cold Water Bottle Mug

Made of excellent food-grade stainless steel, BPA-free, without any metal taste, maintaining the original taste of the liquid. It adopts double-layer vacuum insulation and heat insulation layer, it can be filled with hot or cold water to maintain temperature for a long time which keep warm for 12 hours and keep cold for 12 hours. Built-in LED intelligent temperature display that can be used continuously, not only can know the real temperature of the insulated cup at any time, but also avoid the hidden danger of being scalded, and the elderly and children can use it with confidence. It has an excellent airtight lid that won't leak even with vigorous shaking and tumbling, perfect for daily use, work, driving, sports, picnic, travel and camping.