My sister recently hosted a show and she just got her stuff and she realized that she ordered the wrong size bamboo bowl, she thought that she was ordering the size that I had at her show (which was the large) and she ordered the medium, can she exchange it with no questions or charges (except the difference in price) with the 30 day thing or does she have to return it and then reorder it or is she just stuck with it or what? I told her that I didn't know and I'd check into it, so any thoughts and tips would be greatly appreciated... TIA!!!