From what I've seen they are just regular circle shaped stickers. If you're usin...

1832 20 days ago | parent | context | favorite | on: Nightclub stickers over smartphone rule divides th...

From what I've seen they are just regular circle shaped stickers. If you're using a case usually you wouldnt get sticker glue on your lens but if you do you can rub it off with the inside of your tshirt sleeve.