Exactly what I was looking for. My local big store doesn't need it anymore so I was glad to find it here! Corresponds to my black polished Mapei mortar, I can't even tell where the seal is and where the mortar is! Tip: If you have an air bubble in the caulk and it keeps coming out (making a mess), poke a long needle (or metal clip)...something to get inside the tube...inside the tube, and that should help Squeeze it out and do it so the sealant stops coming out. I had this problem with this article but I researched what to do and it was solved!