These targets are supposed to be able to take 1000's of hits and stay intact, more or less. I looked at Amazon and this appears to be legitimately 50% off.
http://www.woot.com/offers/do-all-outdoors-gmso2-shooting-star-pro-pack#read-more
http://www.woot.com/offers/do-all-outdoors-gmso2-shooting-star-pro-pack#read-more