... steel, BPA free,Nontoxic, Eco-friendly, thermos flasks, 420ml / 14oz capacity,Made from double wall food grade Stainless Steel.vacuum keep heat ... or cool.Especially suitable in promotional, gift, travel, outdoor sports,Vacuum flask inner ... size: 45 x 45 x 46cmNet weight: 12kgGross weight: 13kg thermos flasks