Containing approximately 50g of Standard Mealworms (Tenebrio molitor) this is a great way to feed your reptile. Mealworms are approximately 18-26mm and are packed in a safe and ventilated tub.Storage information:Once you get the mealworms home, empty the contents of the tub or bag into a larger smooth sided and well ventilated container. Cover in bran, and add a small amount of sliced potato or carrot.