Cats & Kittens, when licking their fur can accidentally ingest it, which may accumulate in their stomachs & form what is known as a hairball. Signs of hairballs are constipation, gagging, coughing & vomiting. Our Defurr-um Treat aids in lubricating the digestive tract helping to expel potential blockages. Defurr-um Treat-ums are a quick & easy way to administer! A no mess / no waste solution!