I used to let Cassy and Sassy chomp drinking straws: they did look really cute with them. I quit when I noticed: 1) that there were a lot of ragged edges that could break off and get swallowed after chomping and 2) they were getting acquisitive over the straws in my sodas. I never lost a straw I was actually using to the kids, but forsaw problems (and REALLY grossed out visitors/ relatives) if they continued.

For what it's worth...