Laminated cement bags is a kind of cement bag which is with a layer of film or fabric .Unlike fertilizer bags, the type of cement bags is a valve bag. According to the feedback of many customers, these laminated cement bags is one of the most popular cement valve bags, and it is also the best-selling bag in our company, Xinlong Package's export data.https://www.chinappbags.com/bopp-bags/cement-bopp-bags/laminated-cement-bags.html