For ball pythons it is the best you cna use.
Reptile prime was called herptopia until Brian Barczyk bought into it and is still made by Midwest Organics outside of St Louis. They started making fertilizer and expanded into coconut fiber for cat litter, soil substitute, and exotics litter.
You can now also get it on Amazon. I have a 4x2x2 cage and use less than half a bag every 3 months and my ball python loves it. He digs in it, burrows down in it and is far more active on it than when I used cypress bark.