Yes! The manufacturer claims that this product is vegan, making it suitable for Egg free eaters as well.

Is GAIL'S Gluten Free Cake Mix - Best Chocolate Cake Baking Blend Made with Certified Organic Flour, and Certified Organic Cocoa - Vegan Mixes with No Egg, Dairy, or Soy - Easy-Bake and Serve Cake Egg Free?

Yes! The manufacturer claims that this product is vegan, making it suitable for Egg free eaters as well.
Egg Free? GAIL'S Gluten Free Cake Mix - Best Chocolate Cake Baking Blend Made with Certified Organic Flour, and Certified Organic Cocoa - Vegan Mixes with No Egg, Dairy, or Soy - Easy-Bake and Serve Cake | Spoonful