Got have a few of these around. I like having this cliped to my camera strap at all times, never know when or where it will be needed.
Great High Quality Micro Fiber Lens Cloth:
I bought this cloth to keep in my backpack for field use. The attachable hook keeps it where I can find it, attached to a zipper pull in my pack. The cloth itself is not huge, but doesn't really need to be. I didn't even try to get it folded back up and put back in the holder, but I'm sure it's possible with a little effort. A few other comments... Others have complained about the hook breaking. I can't imagine trying to use this as a keyring, etc. The hook is plastic and clearly not intended to be... more info
Nikon makes the best stuff:
Great idea. The bag is attached to the cleaning cloth so they don't get separated ant the cloth always goes back in the bag after use. Just wash it with the white stuff when it gets dirty and it is ready for another hundred lenses...... Works great on my eyeglasses too.
A must for fast cleaning:
it is easy to carry and it has its own attached tiny bag. this way you actually protect the cloth getting dusty and dirty. I recommend it to photographers on every level.