... PE MOQ:1000,0.25-0.5 ITEM reusable water bag for drinking MATERIAL INDEX Unite Name of Material Bottle Material Polymer ... -free and are constructed of three layers of ultra-durable plastic. The innermost layer is made from FDA-approved polyethylene, ... free, foldable, reusable,collapsible,portable,flexible water bottle/water bag designed for convenient, on-the-go use anywhere. Unlike traditional rigid ...