The Birdy Fat Balls are high in energy food which will help attract wild birds such as greenfinches, sparrows, nuthatches, great spotted woodpeckers, siskins and other species. Suitable for use in suet feeders. A high energy suet, cereal and seed mix is provided, making it a great option for bird tables and ground feeding. The product is packed in a resealable plastic tub, containing 50 pieces.