... order anti-slip UV stabilizer PP Block Bottom Valve Bag, PE Block Botto Valve Bag, PP Laminated Valve Bag,PP Valve Bag20kg,25kg,40kg,50kg packaging ... . : 90-180 mmMaterial -PP woven laminated fabric -PE filmValve -short valve -long valvePrinting Colors -bag body : 4-8 colors-bottom : 1 ... -tiny airholes on whole bodyUV Stabilizer- As per requirement. PE block bottom valve bags