Dried mealworms breeded by bran and sweet vegetables. All kind of animal can eat it. For dogs, it can be used as dog chew. For fish and birds, can as main food. The oil and powder of dried mealworms has medicine use. 5kg/bag 2bags/carton 3bags/carton 266 cartons of 3bags/carton =1container 20inch 400 cartons of 2bags/carton= one container 20#