Thin head gaskets???

Any one tried these head gaskets???

http://www.ebay.com/itm/160564139307?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1438.l2649

I like the idea of them being thiner than the thick ones that are the norm now. I think his shipping is rather high. But if they are good gaskets I might give them a try. Thanks!