Suet is an essential ingredient to the health of your birds. A natural source of high energy and fat reserves, it will keep your birds in top health. Consisting of melted fat, a variety of seeds, nuts and fruit which are then poured into the mix and allowed to harden. Treats will become soft and pliable at 100 degrees if exposed to extreme heat either during shipping or storage, however they will return to normal hardness again at room temperature, and remain fresh all year. Although Suet needs are greatest in the Winter, it is recommended that you offer Suet along with your other feeds all year. 12 pack of 11.75 oz High energy suet. Contains beef suet, sunflower seeds, millet & corn. Just unwrap and place in your suet feeders.