Kaytee Suet and Suet Dough are made of high-quality rendered beef tallow that provide birds the energy they need year-round. Suet and Suet Dough easily slip into the Kaytee Feeder Station for convenient freezing. Often preferred during warmer months of the year because it is less messy|Includes a tray, making it easy to slip into the Kaytee Feeder station|Refrigerated or frozen suet can make filling the feeding station virtually mess-free!