Leather Type for Necklaces

[TacticalHeritage]

I have bought a few different kinds of leather lacing to make a very simple necklace, but they all just seem to be too flimsy or not real leather and fall  apart. I remember getting leather necklaces from places like Abercrombie & Fitch when I was a kid, and they held up really well. They had that waxed leather feel. Any recommendations on specific leather cordage that will hold up and where to get it? Thanks!  

[AEBL]

You asked a similar question elsewhere, but try this:
https://www.libertyleathergoods.com/leather-cord/