Ballistic nylon was developed to protect WWII airmen from flying debris and shrapnel fragments. Today, its used for luggage, tool belts, motorcycle jackets and, now, custom-fit seat covers. The 1680 denier fabric gives your seats heavy-duty protection from kids, pets, dirt and damage -- in fact, its the toughest seat cover material we have found. They wont snag or tear, and a waterproof inner coating keeps moisture from soaking through. Spotclean and air dry. Available in Black, Dark Gray or Tan. Made in the USA and backed by one-year warranty.