... :1.0 kg; Grain Weight: 1.1kg;Material: activated charcoal (fragrant grain added or not).Packaging material: flannel, compound ... environment, sealed for 5 years;Place of origin: Shanghai (Yixuan desiccant co.,ltd)Photos show of Home/Car Charcoal Bag:Home ... moisture, mould, keep dry and comfortable.Remark: contact me for further information, Specification sheet, usage manual,suggestions and so onfor ...