Shop › Confetti Cake Jar Image 1 of 3 Image 2 of 3 Image 3 of 3 Confetti Cake Jar $12.00 8 ounces of our fluffy confetti cake layered with vanilla buttercream frosting and rainbow sprinkles. Quantity: Add To Cart Added! 8 ounces of our fluffy confetti cake layered with vanilla buttercream frosting and rainbow sprinkles.