Been using the leash every day for work now and it's been great. My personal dog is ~70 lbs and the 1" width on the line suits my needs. I opted to add a loop handle for training purposes so I can have both handle and ecollar remote in the same hand. Great material and stitching.
Will most likely order a longer line in the near future.
With Biothane or Brahma, once the leash goes 3/4" or 20'+ long them things get heavy. Dogs understand the weight of the line during sessions.