Today the name paracord has come to mean true mil spec paracord, type III commercial paracord, different types, sizes and qualities of cord. We have written a couple of articles on this subject. These articales are found under site map on the home page of paracordgalaxy.com. Here are the direct links. Obviously you want cord like shown in the bottom picture.
https://paracordgalaxy.com/content/50-cheap-paracord and https://paracordgalaxy.com/content/64-paracord-quality and https://paracordgalaxy.com/content/48-paracord-for-sale