It took alot, like 17 cans.. Because I did a few coats and sprayed the inside of the bed..
At first we used a traditional style can and the paint was really blotchy, we went back and bought 8 cans of this
http://www.homedepot.com/Rust-Oleum/...atalogId=10053 Same paint but the nozzle is different and the paint sprays on much more flat then the other stuff and it covers better.