Yes Navy, those measurements were feet, and yes it is huge. As to how much the cost, the last time I priced a piece that size was around $400.00. They make some that are smaller. Thats why I said you might want to get a friend to go in with you. You can take a chain saw and cut it down the middle and still have a huge piece of foam to use or even cut it into 3 pieces if you like. A word of advice though, if you shoot a field tip into this stuff, most time u have too lay it on the ground and stand on top of the foam to get the arrow out, just until u get that area loosened up. But it does a great job.