According to their Instagram, the #Tatatowel is a patented solution to your boob sweat problems.
Great for nursing or pregnant -getting ready - lounging - gym - spa.
So it looks like it's something you put on while doing your hair and makeup instead of a robe to solve the issue of underboob sweat.
You can buy one at: www.TaTaTowel.com
They are $45 and come in many different colors.
It seems like they are a huge hit:
Everyone wants one: