... stainless steel vacuum thermos flask 1.Size:800ml 2.Material:stainless steel,plastic 3.MOQ:2000pcs 4.Delivery:15days Ponnie stainless steel vacuum thermos flaskSERIEScupMaterialstainless steel ... client's request Using the method:1 cleaning the lid, switch, full bottle before use2 counter-clockwise, ... truly tighten,4 Drink the water, first open the lid, then press the button switches, took bottles from ...