The Photographic Solutions Digital Survival Kit with Type 3 Sensor Swabs is the best "extra" thing to throw in to your gear bag. This portable kit comes in a neat belt pouch which makes it an indispensable item to keep within arm's reach. When your sensor needs a "touch-up", you'll be ready.
The included items in this kit can save you the expense of a costly professional cleaning and will also save you time.
Canon: EOS 5D, 5D Mark II (FL), EOS 1Ds, 1Ds Mark IV, EOS 1Ds Mark II, 1Ds Mark III
Contax: N Digital
Kodak: DCS SLR/c; SLR/n;14n
Sony: DSLR-A900, A850
Digital Survival Kit with Type 3 Sensor Swabs
0.5 fl. oz Eclipse
Nylon Zippered Travel Pouch