Make sure the water your cat drinks leads to better overall oral health with the Garfield Cat Fountain Replacement Oral Kit. This calcium supplement protects against plaque and tartar for stronger teeth and healthier gums. Features: Calcium supplement for stronger teeth; Protects against plaque and tarter build up for healthier gums Includes: One silicone sleeve and one month supply Intended Pet(s): Cat Product Weight: 0.12 lb Product Dimensions: 2.50 in L x 0.75 in W x 7.88 in H Environment: Indoors Directions: Unplug the fountain, remove water spout, insert one tablet of dental care into provided silicon sleeve, then place into water outlet and replace spout. Check the dental care tablet regularly. Replace tablets for complete and continuous care for your cat. Only use tablet as instructed. Do not give directly to pet. Size: Small.