Fun Product! At least my kids think so. This is a refillable spray bottle for olive oil so that you don't have to buy the expensive stuff that runs out way too fast. The thing about it that the kids like is that you pump it to add air to make it spray like an aerosol can does. This way, you spray your cooking pan without adding too many fat calories/
It is nice looking. It is brushed aluminum with black highligting. Nice and sleek. It actually looks better sitting next to my stove than a can of olive oil spray looked. Also it saves a lot of money.
The thing I don't like about it is that you really do have to pump it a lot to make it act like an aerosol. The directions recommend ten pumps. When I sprayed my muffin tops pan, though, I needed to pump it ten pumps for each one. I guess you could consider it good exercise and turn that into a positive instead of a negative!
I think the concept is good, though, and I'll keep using my Misto.
Update On Apr 01, 2010: It took this product about a year to gum up and stop working properly. I'm going to boil water and drop all the parts in to see if I can dissolve some of the build-up. It is a good idea, but the design seems to be somewhat faulty.