Come and see our amazing products. Our double-layer vacuum insulated travel mug is made of excellent Titanium, Have corrosion resistance to protect the water bottle from oxidation and peculiar smell,which means There will be no metallic smell or rust on your Water Bottle.Which can keep hot and cold liquids (Water,Coffee,Tea) at low temperature for 24 hours and keep warm for 24 hours.It is also made of BPA-free materials and can be safely. Pls confirm with us about the packing info, stock color and exact production time before placing your order.