Tips on Bedding for Gerbils
Gerbils love to burrow and, of course, to sleep. It's up to you to provide them with the best materials. Peat, straw, sawdust, corncob bedding, sand, woodshavings and paper-based cat litter work great for burrowing. The best and safest nesting material is toilet paper.
For more information, please read the story Making a Great Bed for Your Gerbil.