Highly adhesive and durable, these brightly colored waterproof duct tapes are excellent for route-marking on climbing walls, packaging, bundling, and general color coding. They have great tensile strength, excellent tear characteristics, do not curl or twist during application, and do not fragment when being removed, even from climbing walls. These tapes are 1.1 mils in thickness, have 50 oz/in adhesion, tensile strength of 27-32 lbs/in, and a service temperature range up to 95C.