Where do i find these things they put on artificial nails? (picture included)?

[bryana s]

Ive been seeing these alot lately, i do my own nails bc its easy and i change my mind a lot.

http://simplylatina87.tumblr.com/post/2551251463

But you see how they have bows on them? Where do i find these? What do i type in the search? or where on amazon do i look? Thank you!