1) stainless steel thermo flask,ss18/8,ss18/0, 2) specialized in flaskmany years 3).OEM is available 4)keep warm and cold stainless steel thermo flaskwe have ... four capacity:350ml,500ml,you can print logo and paint color on the body.detail:1) stainless steel vacuum ... Saturday, 8.am to 17.pm picture: 350ml double wall stainless steel thermo flask