Come and see our amazing products. The vacuum flask is made of high quality food grade stainless steel, corrosion and oxidation resistance,and rust damage. BPA-free, safer, healthier and reusable than plastic cups.Double walled vacuum insulation technology ensures that your favorite beverages(coffee, soup, milk, juice,etc.) will maintain the desired temperature for the next few hours.Hot drinks can last up to 24 hours and cold drinks can last up to 12 hours.The lid consists of a stainless steel inner core and safety food grade silicone seal ring.The Vacuum Insulated Tumbler with a detachable tea strainer. You can soak the scattered tea leaves in the cup and use the filter as a compartment when drinking. Pls confirm with us about the packing info, stock color and exact production time before placing your order