... 2.High tensile strength& bright color 3.SGS report Under ground detectable warning tape 1) Made from thin sheets of bi ... results3) Designed for underground pipe protection4) Specification for each roll:Common Thickness: 4mil,4.5mil,5mil,5.5mil(100micron-150micron ... : 2",3",4",6" (50mm,75mm,100mm,150mm)Common Length:200m,300m,400m,500m,1000' 5)Packing:each roll/ ...