Popsugar Pets Halloween Costumes 2019 Guinea Pig Halloween Costumes Guinea Pig Halloween Costumes Exist, and Yup, That Is Definitely a Pineapple Suit 28 August 2019 by Alessia Santoro View On One Page Photo 8 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Thrills & Chills Small Pet Costume — Witch Thrills & Chills Small Pet Costume — Witch ($4) Thrills & Chills Small Pet Costume — Witch $4 from petsmart.com Buy Now Previous Next Start Slideshow Halloween Costumes 2019Pet Halloween CostumesCute PetsPetsHalloween CostumesHalloween