1pc 420ML Smart Thermos Stainless Steel Water Bottle Led Digital Temperature Display Coffee Thermal Mugs Intelligent Insulation Cups Product Name: heat preservation intelligent cup Material: stainless steel Features: environmental protection、portable、temperature display、 large capacity、Business Glass lining material: stainless steel Metal type: stainless steel Applicable crowd: Lovers Bottle type: Vacuum Drink type: vacuum bottle and thermos bottle Thermos material: stainless steel Shape: straight cup Production: vacuum flask Insulation performance: 6-12 hours Thermos bottle: stainless steel constant temperature bottle Vacuum bottle: stainless steel vacuum bottle Bottle capacity: 420ml Thermos function: LED display / intelligent A cup of coffee: a thermos Water bottle: thermos for tea / coffee / milk Thermos: stainless steel water bottle Thermos cup: girls' Mug Water bottle: Women's travel cup