Directional flow arrow tape can enhance safety, improve operating efficiency and provides 360 degree visibility Tapes are made of durable B-946 material that withstands the elements indoors and out Supplied in liner-mounted rolled form - use two bands per marker Brady B-946 indoor/outdoor marking film is a high gloss, durable, flexible, pressure sensitive adhesive product printed Average outdoor durability 8-10 years (average expected outdoor life of product will depend on user definition of failure, climate, mounting techniques and material color)