Square PP Valve Bag Features: 1)Usage:Storage and packing 2)Material:PP 3)PP Thinckness:0.12-0.25mm 4)Weight:60-200g/square meter 5)Printing:1-8colors or pantone color each side 6)Top:Square+valve; 7)Bottom:Square or gusset 8Dimension:As per your requirements 9)Reinforcement:bottom 10)Customized sizes,designes and logo are e 11)Environment friendly,fashionable,elegant,durable,water-resistant 12)Usage:Widely for packing pulverous or granular material such as chemical fertilizers,synthetic materials,dynamite,foodstuff,salt,suger,minerals and cements 13)Minimum Order:1X20FCL 14)Payment:T/T or L/C at sight 15)Delivery time: 20-25days after receiving deposite or original L/C at sight If you are interested in our products,please feel free to contact me for more information.I can give you the better price for your reference. block bottom valve bag • Material: PP flat woven fabric compounded. • High strength • High resistance of punch-proof and tensile strength • Can be tested optional broken at 1.5m height falling • Well appearance • Moisture-proof • Can be printed in three or four colors • Easy for stacking • Good air permeability • Strong and stack optional broken • 105 exhaust vents in every sack treated by ultrasonic heat treatment We are experienced in exporting pp woven cement bag, any questions from you, please feel free to contact with me. We offer block bottom valve bags for applications in cement, chemical and many other industries. We offer block bottom valve bags for applications in cement, chemical and many other industries. Main Features includes: PP Woven Coated Block Bottom Easy Stack Up Self Shut Valve Good for Machine Filling 30,40,60 and 80 Lbs Capacity Tear Resistance Moisture Resistance Anti-skidding