stainless steel tea and coffee flask: 1,longtime insulation 2,shining electrolysis 3,leakproof guaranteed 4,FDA,SGS approved our stainless steel tea and coffee flask: stainless steel tea and coffee flask:basic details: *capacity:350ml;450ml *packing:30pcs/ctn *meas:48*40*21cm;48X40X23.5cm *n.w./g.w.:8/10kgs;9/11kgs *material:18/8 stainless steel insulation test:1)during 25 degrees indoor,it can ...