About this item •Prodigious Durability: Tensile strength is decided by width and thickness. With 0 .08in/2mm thickness and 0 .36in/9mm width we ensure that no matter the task our cable ties will get it done with superb efficiency •High Quality Material: We use a very strong and flexible nylon material. Our cable ties will be able to tackle any outdoor task without any issue whatsoever. Withstand temperatures ranging from 5oF to 140oF, flammability rating being 94V.2. We ensure you, if properly fastened, our cable ties could last you a life time •Why Heavy Duty: zip ties are much easier to be brittle or snap in cold and dry weather,imagine if you use bad material.Try ours, we have confidence. We’d tested our product with many weight at 5°F in our factory lab, max up to 200LB •Details: 19 pcs black, L: 40inch, W:9mm/0.36inch, T:2mm/0.08inch, Nylon Material type: PA66, UL listed •You deserve a Guarantee: We offer a lifetime guarantee on our high quality cable ties to ensure your contentment, So we would refund 2 times price if you receive defective product.