Come and see our amazing products. The Smart Vacuum Insulated Water Bottles is made of Premium 304 Stainless Steel Vacuum insulated bottle that maintains cold for 12hours and hot for 24 hours.With a LED Intelligent Temperature Display on the top of the thermos which will last up to 80,000 touches without a battery change. The warmth of every moment you can see just by gently touching the top of the thermos cover. They also have the silicone bottom which is designed to prevent them from sliding and spilling. Other parts of the Travel mug is made of BPA-free PP materials ,food grade contact silica gels and 100% Co-polyester plastic that make them Safe and Healthy to use. Easy to clean by Simple structure, washable with a spout removed. modern design and High quality makes them as Unique Pls confirm further with us if any query about packing info, inventory status and time schedule.