We have a mast bag that fits 16 and 17 foot boats: Here is the URL: http://store.catsailor.com/tek9.asp?pg=products&specific=jsdoiqgnq

However, that won't cut it for the F18 or larger boats. But, I am sure our supplier can make them for larger boats as well.
Since we don't have anything listed on the online store, just call 1-866-451-3287 or 305-451-0909 and talk to Gen or Dave.
Of course, they are going through a hurricane at the moment and might not answer.
Rick


Rick White
Catsailor Magazine & OnLineMarineStore.com
www.onlinemarinestore.com