Heavy Duty Coloured Cable Ties Pack of 100 100mm x 2.5mm Strong heavy duty cable ties. 9 Colour options available. Manufactured from Nylon 66, and UL approved. Suitable for variety of uses. Others sizes available in our shop.Specification Tested to underwriters laboratory UL94V2 Material Nylon: Nylon 66 Working Temperature Range: -40°C to 85°C UL Flammability Rating: UL94 Oxygen Index: 25% - 28% Water Absorption (24 hrs): 1.3% Smoke Density: Flaming 35, Non Flaming 13