1 vacuum flask stainless steel 2. food grade flask 3:new design on lid 4:keep hot or cold at 24h vacuum flask stainless steelItem No.CapacityQty/ctnG./N.W.MeasCVB 122500ml50 pcs/ctn36/34KGS37x37x51cm1) Material: double wall 304# 18/8 stainless steel2) Capacity: 500ml3) Vacuum structure between outer and inner walls keeps liquids hot or cold for long periods4) Available in leather pouch and ...