Natural treats for cats enhanced with other nutrients. Real salmon 1st ingredient. Love them like family. Treat them like family. Shake 'em and cats go crazy! Crunchy, creamy and bursting with flavor! Your cats will go crazy for these cat treats with an irresistible crunch on the outside and a soft, delicious center. They are free from corn, wheat and soy, and contain no chicken (or poultry) by-product meal, artificial flavors or preservatives. With an explosion of yumminess, your cat will love Blue Bursts almost as much as she loves you for feeding them. bluebursts.com. Join the Blue family at: bluebursts.com or call us at:1.800.919.2833. Calorie Content (ME Calculated): 4,200 Kcals/kg, One Treat = 2.1 Kcals.