I htink it's way way too big. You know the normal size of a flaccid penis is 3.0-3.5 inches. You can order the 4" which I think is a good size. You can try doing stuff to make it fit closer in, it is squishy to some extent, such as wearing it inside your boxer briefs. (Look up "cock sock ftm", it's a way of holding the packer in. But I think they are actually quite pricey. Easy to make with a regular old sock.) You can just wait til it falls apart. They don't, sadly, last very long.
--Jay