More to explore:
mason jar crafts
craft ideas | Tumblr
mason jar party cups= no more bugs in my drink!
mason jar party idea
Mason jar cups with cupcake liners to keep the fly's out of your drink
Diy mason jar party cups « We Love Crafty Tracey
Mason Jar Party cups with cupcake liners for lids to hold straw in place
How fun is this. jars come in smaller and larger sizes also.