DESCRIPTION & INGREDIENTS: Sweet Corn, Corn, Calcium Carbonate, Citric Acid, Salt. Our Sweet Corn Squirrelogs are 100% consumable, more economical, easier to use and remain on the squirrel feeders resulting in more enjoyment! Refill pack for Squirrel Hangers and feeders with nails/spikes. Squirrelogs already have a pre-drilled nail/screw hole for easy refills.