Flexi Squishenille UV

I use this to form the body of a stonefly nymph. Works great.

I think it’s a great product.
Lots of potential for flies.

Made some worms and buggars with this stuff, fairly easy to work with. I bought the medium and it worked fine on a size 10 jig hook so if you want to use it on anything smaller then get the small. The large would be way too big for anything I would ever need. Had a few fish hit it but didn't chew on it , they spit it out.