Crescent cable ties are high-quality, self-locking nylon cable ties that come packaged in a handy, resealable zip lock bag, which enhances the life expectancy of the ties. One piece construction, self locking nylon cable ties,Extra strength due to heavier weight of material used,High quality nylon UL approved, resistant to most chemical acids,Packaged in handy zip lock resealable bags,Fawn cable ties are UV resistant, prolonging life in outdoor applications