It's easly used for metal detectable machining work as protective tapes when underground pipes/cables are being buried.

Material:3 layer of BOPP,Aluminum and PE
Thickness:From 0.10mm to 0.15mm
(4 mil to 6 mil )
Length:From 100m to 500m
Width:2" 3" 6" 12"
Color: Yellow Red Blue
Printing:"CAUTION:Buried gas line below",
"CAUTION:Buried water line below",
"CAUTION:Buried telephone cable below"..
(OEM any words upon request)