Seed cakes fit standard sized suet feedersOur seed cakes fit your regular sized suet baskets and are an easy way to feed the birds! Just drop in the cake and watch your birds enjoy. Our Wild Finch cake contains millet, Nyjer seed, sunflower hearts, peanut bits and honey. Cakes are 4-1/2 x 4-1/2 x 1-1/4 inches.