thats cuz they know whats up.yea not ups fault that the shipper doesnt know how to package a sub..
take a look at how dd packages there speakers... 3 " of foam //content.invisioncic.com/y282845/emoticons/wink.gif.608e3ea05f1a9f98611af0861652f8fb.gif
We buy from a local "Packaging Materials" company. You should be able to find one in the yellow pages if you are in a big city. We but in large sheets and cut and hot glue it to size.