RIOUSSI Guinea Pig Fleece Cage Liners, Highly Absorbent Washable Guinea Pig Bedding for Midwest and C&C Guinea Pig Cages with Leak-Proof Bottom.
Amazon.com : Paw Inspired Critter Box Washable Cage Liner, Reversible Fleece Bedding with Raised Sides for Guinea Pigs and Other Small Animals (C&C 2x4, Gray/Blue) : Pet Supplies