Looking for a non-adhesive yet permanent solution to identify and protect your wire and cables at the same time? DYMO's heat shrink polyolefin tubes provide clean and permanent marking for a wide range of cable diameters. A clean, permanent way to mark cable and wire diameters, these flame-retardant sleeves are easily applied before connection - then fit snugly and resist abrasion, solvents, fluids, moisture and UV rays. Flame retardant, this non-adhesive solution is the clean, no-smudge way to identify and tightly fit your wires and cables. Apply before connecting - then use a heat-gun to position permanently.