It's big enough for one Papillon. I'm selling it because it can cause fights in a multi-pet household. LOL I've only used it a few times, so I don't think there's much damage. I will ship it with the shipping label directly on the box. The following is an AI-generated description: Pet heater with cooling and heating functions, with timer settings. - Model Name: PL-PT40D-T - Brand: SHARP - Function: Cooling and Heating - Timer Settings: 4 hours, 12 hours - Color: Black Thank you for looking.