I love you clothes pins: Write a message with a FINE POINT sharpie so it doesn't smear. Write "I love you" on a paper. Cut it out, and hot glue it to the clothes pin end. Would be cute for a care package!
Great idea for if you sell fruit, I couldn't remember. Link for free printable tags for fruit in your child's lunchbox. The site has lots of cute, creative food presentations to get kids eating healthy.