I resorted to making my own because everything I bought lost reflectivity within weeks. 3M makes a super tough and durable reflective fabric called Scotchlite® (they sell the collars at PetsMart). If LeRoymydog is talking about what I think they're talking about, it's a rope type leash with an iron on reflective material that cracks and flakes off with severe use. Mind you, I use the living crap out of my dogs' equipment and accessories so I might not be the best opinion in this case.
ETA: I'm not familiar with the collar posted in that link. I've used these:
All I did was follow the folds on a typical nylon plastic buckle collar. I bought some flat nylon webbing for a harness, and had enough left over for a collar to match. Then I took a strip of scotchlite and folded it over on itself like a hem on both sides. Then I just sewed it onto the nylon (with a strip of nylon from an old backpack behind it) before finishing the anchor stitching on the collar. The hardware is from a collar like the pic I showed (from PetsMart). It lasted two years before the material flaked off. I still haven't gotten around to making the leashes reflective. That stuff isn't the cheapest of materials...
The finished set:
NOTE: I have an industrial sewing machine, so that makes a big difference.
If the collars loose reflectivity (is that a word?) why not get a blinking light such as for bikes and stick it to the leash, so people will see that light? I have one for my bike that cycles through being a light, flashing, and strobing, I know it was not expensive.
Great job on the collar and harness!!! They do look great!!
I bought a little blinking light that attaches to my dog's collar or leash and got some really good feedback from my neighbors that it is visible blocks away. Plus I carry around a little flashlight with me that I turn on when I see cars coming. I too was looking for something that would signal to others that I was out, since I take my dogs out for their second walks after dark and there are no sidewalks in my neighborhood. I really like the little blinker light that I got, and it was fairly inexpensive at petsmart.
I agree with jesirose...why reflect when you can BLINK!! I got this collar for night walking my dog. You can set it to stay on all the time or to blink. It does use a battery but that lasts a few months if you remember to turn it off when you're not using it. I must say, my girl is pretty stylin' with her blinky collar.