... .Lead time:20days 4,15 years manufacturerOPP square bottom bagOur factory advantages1) equiped with over 50sets advanced machines, 10500square meter clean ... , clothes, pens, bedding and so on.New Stylecenter weld bags, cubic bags,side sealed bag,opp header bagProduct colorPer the customer’s ... ’re 0.05mm~0.15mm options 2012 BOPP square bottom bags