I'm in the mood to make mug rugs. Never having seen one (except in your pictures) or made one, I have questions. What kind of batting is best? What size is recommended? Do you use full width quilt binding, or narrower? Would double fold bias tape work well? Does it matter how close it's quilted? I don't drink coffee but drink cold drinks from stemmed glasses. Thanks in advance for your help; I've learned so much on this quilt board.