Higgins Sunburst Mineral Grit Gourmet Natural Treats for Small Birds is a healthy and natural bird snack mix of 100% oyster shells and enriched essential minerals to provide a source of calcium that complements your bird's regular diet. These bird treats do not contain artificial colors or preservatives. You can feed Sunburst Mineral Grit Gourmet Natural Treats to small pet birds, including: canaries, finches, parakeets, and cockatiels. Feed it alone in a dish or sprinkle over your bird's daily food. Made in the USA.