500ml double-wall bullet stainless steel thermos flask with drinking lid and silicon (350ml,750ml,1000ml available) 500ml ... double-wall bullet stainless steel thermos flask with drinking lid and silicon (350ml,750ml,1000ml available)color ... .W:16/14kgs 500ml Double-Wall Bullet Stainless Steel Thermos Flask With Drinking Lid And Silicone (350ml,750ml,1000ml Available)