Oasis Vita-Drops Concentrated High Potency Pure C for Guinea Pigs Vita Drops Is A Convenient Way To Assure That Guinea Pig Is Receiving The Fresh Vitamin C They Require Daily Feature Supplements The Pet'S Dry Diet To Assure Proper Nutrition Includes eye-dropper dispenser and detailed instructions A Fresh Dose In The Water Bottle Daily Helps To Keep Guinea Pig Happy And Healthy This Product Weighs 2-Ounce