Wrap it with Twine. You can decorate mason jars in endless ways but these twine ones make stunning centerpieces. Here is the DIY mason jar twine, but feel free to adapt it to add lace, doilies, even chalkboard paper
All this decorations were in the church right behind us at the ceremony, so I didnt get a good chance to really see them. But thank you to my great photographer Valentina Glidden