Why not put them in a bluray or ps3 case?
Well the answer to that question is that I was too lazy to go and buy DVD/BR cases but I had jewel cases

. But I also like the size of the jewel case as it doesn't take up too much room. Also, I know this sounds ridiculous, but I don't really want them to looK official, I don't want it to look like I am trying to make a fake official case.