The problem with both of those is that although they may be mostly functional for this purpose, cleaning them is a different story. For anal play things get quite a bit messier.

The mirror is mostly fine (although they tend to be flimsy if it's a cheap hanging body mirror) but it's a gigantic pain in the ass to ensure that it's a clean and usable mirror after everything is said and done. No matter how good of a job you think you did, you missed a spot.