Features:Material: quality 18/8 stainless steel(cup body)+ Food Grade Plastic(cup lid)Keep hot: pour 100 degrees Celsius waterAfter 6 hours ( More than 70 degrees Celsius ).After 12 hours ( More than 55 degrees Celsius ).Cup capacity: 350ml./500ml( optional)Suitable for: Home， Climbing， Travelling， CampingPackage Contents: 1 x Portable Stainless Steel Travel Mug bullet Design Vacuum Thermos Cup