This premium bird fat balls offer a nutritious blend of high energy raw materials, which are perfect for wild birds. Grains like wheat and maize, seeds like sunflower hearts and sorghum, edible fats, calcium are well proportioned in these fat balls, which will offer energy and keep birds warm during cold winter months. Thanks to the included nets, you can simply hang them on the tree and treat your wild friends. This pack of fat balls contains 200 pcs; each fat ball weighs 90 grams. Please note the fat balls can be crushed during express delivery; and birds like to eat the broken ones as much as the whole. Here you get a balanced mix for all bird species. This general feed covers a wide range of birds. If you want to attract a special kind of bird, please choose a special feed and inform yourself beforehand. We cannot accept complaints such as the feed is not accepted by some bird species or there is too little amount of certain seed.