Love em.
I've been experimenting with just about every rubber type out there and these are by far my favourite.
Band sets are super easy to make, plenty of attachment methods and last for ages.
I have about 600-700 shots on my first set of bands and they are still going strong.
Also the price, $7 for 10m of the stuff from Dankung is hard to beat.
Sure they're not as strong or as fast as some of the Thera-Gold bands I have made but they make up for this in ease of use lasting ability.
I also use small pieces of tube to attach to the pouch, spread it open with a hemostat and slip it over the fold. Done. I have also used this method to attach flat bands to the pouch and it seems to work just as well.
I have only used the natural coloured tubing so far and was wondering if anyone else may know if there is a difference between the natural and black tubing in terms of strength?