stainless steel vacuum flask manufacturer: 1,import paint 2,no rust welding 3,shining electrolysis 4,leakproof !!! our vacuum flask:stainless steel vacuum flask manufacturer: basic details: *capacity:500ml *packing:30pcs/ctn *meas:48*41*28.5cm *n.w./g.w.:10.3/13.2kgs *meterial:18/8 stainless steel Product function:· Eco-Friendly,FDA test , SGS , 100% BPA free,LEAD free;· Unbreakable stainless ...