Magnets & 1/4" PVC Caging?

Hey ladies and gents,

Looking for a safe option to spruce up my boa cage, I'm getting sick of looking at boring black! It's built out of 1/4" PVC.

I want to mount some aquarium backing (or similar) in there, but not sure how.

I don't want to use anything sticky, and I don't want it to be permanent. Has anybody ever tried neodymium magnets? I know they're strong, but not sure if they're strong enough to go through PVC!

Any insight or ideas are much appreciated!

Depending on the strength of the magnet you should be fine. We have some at work that work through 1 1/2 inches of wood.