Twootz 20 Fat Feast with Feeders are formulated to a new recipe to appeal to as wide a range of wild birds as possible. They are manufactured in the UK from UK sourced ingredients & provide a nutritious & high energy source of food for many different species of wild bird. High calorie beef fat is blended with quality wheat & sunflower seeds to provide energy, fibre & protein to help wild birds survive the harsh Winter & the breeding season in Spring & early Summer as well as the Autumn when many wild birds moult there summer plumage. The addition of a natural source of calcium should help wild birds maintain healthy bones, feathers & eggs. These feeding blocks are best fed from fat cake feeders, 2 of which are included in this pack for your convenience, hung from bushes, trees, bird tables or feeding stations. If you prefer they may be broken up & mixed with other wild bird foods as a high energy boost.