The cost of 4 bags is $7.78, and they have been known to last for years. This is one of the cheaper options for organizing your cables.

When zippers are located at the top, it can be a hassle to get the cord zippered in without it trying to pop back out.
The diagonal zipper addresses this issue.

These mesh bags are well made and long lasting.

For those worried about weight, especially backpackers, these mesh bags are a great solution. They weigh 2.4oz for 4, and you can decide how many you want to carry.