In terms of safety, it’ll probably be fine since it’s polyester film. Metallic foils can sometimes be hard to cut though, I have metallic cardstock and the paper backing cuts just fine, but the foil shrugs the laser off. The parts “punch out” really cleanly, maybe the dura-lar would do the same? One way to find out.
Here’s my cardstock post:
If you try the Dura-lar, my preferred cut test method is in #6: