Amazon.com : Guinea Pig Cage Liners - Washable Guinea Pig Pee Pads, Waterproof Reusable & Anti Slip Guinea Pig Bedding Fast and Super Absorbent Pee Pad for Small Animals Rabbit Hamster Rat :
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 : DZWLKJ Guinea Pig Fleece Bedding Cage Liners, 47X 24 Inch(Pack of 2) Blanket for Cage, Pee Pads Washable Also for Chinchilla, Ferret, Hedgehog, Hamster, Rabbit, Rat, Bunny and Other Small