holiday gifts for yoga instructors?

Does anyone have any ideas for holiday gifts for the yoga practitioner? I just began yoga this year and want to give my teachers all gifts for introducing me and supporting me. I know there are some here on the site, but I don't want to give my yoga teachers stuff to use for yoga, because they know so much more about that than I do, I want to give them something that's not quite yoga-related, but that they would enjoy as yoga people.

I came up with a few ideas. l I know the studio I attend is very into eco-consciousness so I bet they would like a charity gift. I even looked into buying carbon offsets for the yoga studio. I rented a film called Outsourced last night I think would also make a good gift - it was set in India and told a very sweet, funny and conscious story of an American discovering Indian culture.