Made with all natural ingredients, the vegetable based texture will help remove plaque and tartar as they chew. Whimzees Rice Bones have six natural, functional ingredients and no artificial ingredients, colours, flavours, preservatives, GMOs, gluten, or meat. High in fibre and low in calories and sugar. Composition: potato starch, glycerine, powdered cellulose, lecithin, yeast and colours (malt extract, annatto extract, alfalfa extract). Suitable for dogs weighing: 15-60lbs / 7-27kg. Not suitable for dogs under the age of 9 months.