BULK - 12” Tremenda Chewy Bulls - 25 PieceCase quantity: Sold as 25 pieces per case. Ingredients: Beef esophagus, beef bladder, ground beef, ground cow cheek, gelatin. Description: This is a 12" beef esophagus (gullet) that has been stuffed with a ground beef filling, with a stretched beef bladder wrapped around. It looks kind of like a bully stick but it's a lighter chew. Chew Time: This is a moderately lasting chew for medium and large dogs. Guaranteed Analysis Crude Fat: 14. 77% min Crude