Our huge zip ties is stronger than most 48" zip ties in the market. 【High Quality】 Upgrade 48in cable tie is made of industrial strength PA-66 nylon, weatherproof, Soft and Strong with 175Lbs Tensile Strength, and can be used in temperatures ranges from 040F to +185F (440C to +85C), weather resistant and outdoor in direct sunlight application is not an issue.