... results3) Designed for underground pipe protection4) Specification for each roll:Common Thickness: 4mil,4.5mil,5mil,5.5mil(100micron-150micron ... ",3",4",6" (50mm,75mm,100mm,150mm)Common Length:200m,300m,400m,500m,1000' 5)Packing:each roll/poly bag,shrinkable wrap ...