underground caution tape 1.material:LDPE/HDPE ... Fair PE underground warning tape Guangdong warning tape factory Style Warning tape, barrier tape , no adhesiveMaterial LDPE/ ... less depend on the produce craftUsage Barrier, safety caution, construction site, underground pipe buried, other purposesRemark ... ! 1.2, CAUTION/DANGER letter printed warning tape 2.1, Un-detectable warning tape, usually , Material ...