These small seed and pecan blocks are the perfect size for any standard suet basket or use in the Mr.Bird’s NeatFeeder An amazing variety of birds visit these NutCakes. In addition to the regular feeder birds such as; Cardinals, chickadees, woodpeckers, nuthatches, finches, and titmice, we have reports of various warblers, wrens, kinglets, mockingbirds, and even bluebirds eating these NutCakes. No waste, no mess, never melt. Ingredients: Pecans, black oil sunflower, sunflower hearts, white millet and gelatin. Dimension: 4.5″ x 4.5″ x 1.5″ Mr. Bird has been specializing in quality wild bird seed products for over a decade, hand-making every seed block and seed cylinder with natural products that are bird friendly and contain no suet.