Health Water drinking bowl. S size This Health Water bowl was developed through trial and error to encourage cats to drink more water. The water in this bowl undergoes subtle changes in flavor. While individual cats have different taste preferences, and this change may not be favored by all cats, it has been chosen by many people since its release in 2002 as one option to encourage them to drink more water. *Used only a few times. Please understand that the condition is based on personal subjective judgment, and that this is a used item stored at a private residence. Please refrain from bidding if you are sensitive to the condition. *Returns are not accepted. If you have any questions, please ask them in advance.