stainless steel vacuum flask,thermos 400ML. double layer and vacuum. esay to take when you travel stainless steel vacuum flask ,thermosItem No: LLXSCapacity: ... 260ml/350ml/400ml/450mlPacking: 30pcs/ctnMaterial: Inside #304, outside #201function:vacuum mug, keep ... capacity Any color is availble,pls check picture vacuum flask,thermos (w)