Good quality key rings and I am pleased with this purchase and price. were well-fitting & attractive. So, this is more of a convenience, but I still love how it looks. In fact when they arrived I said "Ewwww, no thanks! Well see if they can hold up for 2 years like the official Nike brand. This new formula comes in a tube with a useless looking foam applicator that is probably going to be ruined after the first use. Product is wide foot friendly. IDK if I got a bad pair that were threaded too far back, or if these sandals are made for people with short feet and long toes, because my size 11s were set so far back that I had over an inch sticking out in front of my toes, and my heels were hanging out a half an inch over the back. Womens bikes without the horizontal frame bar will need an adapter. Hay alguno que dejó fuera porque ya no cabe.