This blend is a fine (smaller pieces) with no shells - NO WASTE IN YOUR YARD mixture! This Wild Bird Blend includes Fine Cracked Sunflower Hearts, Med. Cracked Corn, Peanut Hearts, Oat Groats, Red & White Millet. Appeals to many wild birds including Cardinals, Doves, Asst. Finches, Jays, Juncos, Siskens, Sparrows, Towhees, Woodpeckers and is a special favorite of Grosbeaks.