No worries, but I would use something larger so she isn't ingesting anything other than her food.
I started with fine aspen bedding and found mites in it and wet Frozen/Thawed food picked up the beadding so I switched to larger aspen shavings. I wasn't crazy about that and ended up using paper towel or cut-to-fit doggy training pads.

Others will be able to tell you what they use.