The Industripet OHBOWL for Cats sustains oral health on a regular basis while preventing hairballs and bad breath, recommended and developed by veterinarians. This bowl contains raised tapered rubber tips on the inside of a food grade PET and TPR rubber bowl, made without the use of glues or adhesives. This allows your cat to lick across these rubber tips during each lick, scraping off disease causing bacteria or hair from the tongue and preventing it from resting on their teeth or ingesting. This will promote fresher smelling breath as well as healthier teeth and gums. In order to promote more licking, add more flavor around the inside of the bowl.