Plastic (Cable Tie) - Double PRODUCT DETAILS MATERIAL: POLYMIDE 6/6 FLAMMABILITY SELF EXTINGUISHING. SMOOTHENED ROUNDED EDGES MAKES THEM EASIER TO HANDLE AND SAFER TO INSTALL. BENT ROUND TIP ALLOWS EASIER INSERTION THROUGH THE HEAD OF THE CABLE TIE. RESISTANCE TO OIL/MILDEW. COLOUR: BLACK, BLUE OR CLEAR BLACK CABLE TIES ARE FILLED WITH CARBON CLACK AND ARE RECOMMENDED