Tough Enough for Tug-of-War!
Nice thick cable that can but bumped around a lot without taking damage. I tested this to the point of purposely closing them in doors, jerking them out of sockets, and even played tug of war with my 7-year-old son. The cable in question is still performing admirably.
Good length; they are just shy of 3 foot in length. Long enough to reach from most wall sockets to comfortably setting on a desk plugged into a phone or laptop. Not too long that they are cumbersome and in the way.
Nothing really to mention specifically. Out of the box you have to really work the cables to get them to roll up or not gradually pull a phone off the desk. After a bit of use they are good to go.
For the price and quantity (you get three!) I really think this is a great solution for a typical user needs.