Heavy Duty Coloured Cable Ties Pack of 100 300mm x 4.8mm Strong heavy duty cable ties. 13 Colour options available in the drop down menu. 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