... ,CHEMIC ERODE RESISTANT,GOOD TENACITY TRANSPARENCE MARKER TUBE,heat shrinkable marker tubeMADE OF SOFT PVC, OILPROOF,CHEMIC ERODE RESISTANT,GOOD TENACITY TRANSPARENCEMADE OF ... SOFT PVC, OILPROOF,CHEMIC ERODE RESISTANT,GOOD TENACITY TRANSPARENCE, HARD TO AGING, ... TOOTH-LIKE THINGS, BETTER TO HOLD THE WIRES MARKER TUBE,heat shrinkable marker tube