... .28mmadvantagewaterproof,eco-friendly mateial,durable,transparent,folding and resealable.with butterfly hookusagewidely use in packing.pack 48g infant formula, ... , south korea and South Africa . High quality products and with fast delivery time are our advantage !If you are interested in ... our products,pls don't hesitate to contact with us .And OEM orders are welcome in our company , ...