Royal Canin Maine Coon 400g - Containing chondrotine and glucosamine Maine Coon 31 aids the protection of joints and mobility of your maine coon cat. An active ingredient in Maine Coon 31 helps preserve a healthy skin and soft glossy coat. Maine Coon 31 is designed for maine coon cats over 15 months old and supports heart health with magnesium vitamins C and E and green tea. The Maine Coon 31 kibble is specially designed for the maine coon's large jaw and encourages chewing and oral health.