... slip -UV stabilizer PP Block Bottom Valve Bag, PE Block Botto Valve Bag, PP Laminated Valve Bag,PP Valve Bag20kg,25kg,40kg,50kg ... packaging bagsDemension-length : 450-890 mm-Width : 370-615 mm-Bottom. : 90-180 mmMaterial -PP ... woven laminated fabric -PE filmValve -short valve -long valvePrinting Colors -bag body : ...