PetSmart has Halloween costumes for guinea pigs and they're the

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11 Best Guinea Pig Costumes - Halloween Costumes for Guinea Pigs

Get your guinea pig costumed for trick-or-treat — if you can

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PetSmart's Guinea Pig Halloween Costumes 2019

Get your guinea pig costumed for trick-or-treat — if you can

PetSmart's Guinea Pig Halloween Costumes 2019

11 Best Guinea Pig Costumes - Halloween Costumes for Guinea Pigs

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Pet-sized costumes all the rage for Halloween – Winnipeg Free Press

Small Pet Costumes for Guinea Pigs & Hamsters

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