This is probably the most unique Black Sabbath CD box set that you'll find and since it features the famous "Castle Remasters" it's arguably the best sound quality you're ever going to hear from these masterpieces on CD. This gorgeous box set features all 8 of the original Black Sabbath releases. The thing that makes this box set so unique is the that CDs don't come in jewel cases or even digipacks. Each CD sleeve is actually a perfect miniature reproduction of the original vinyl releases including all original liner notes, inserts and booklets!! Castle Records calls them "Miniature LP Replicas on CD" and they're damn authentic looking! Also includes a photo booklet and everything is all encased in a deluxe black box with embossed silver lettering.