6-layer pet seat heater, AC power model, size 12.0cm x 13.0cm. - Model Name: Seat Heater-S - Size: 12.0cm x 13.0cm - Layers: 6 - Power: AC power - Application: Pet heater Thank you for viewing. The package has been opened, but the item is unused. I'm selling it to someone who doesn't mind the details and wants to get it at a low price.