Greenies Feline Tuna SmartBites Hairball Control 1.6Lbs (12 x 2.1oz) Feline greenies dental treats are 100-percent nutritionally complete and balanced for adult cats The #1 vet-recommended feline dental treat; among veterinarians that recommend dental treats for at-home oral care Contain no artificial colors, flavors or preservatives, and have less than 2 calories per piece; It's the teeth-cleaning treat cat's love Hairball Control