Monkfield Medium Dubia Roaches are approximately 15-20mm long and are available in a pack of 12. Dubia Roaches are easy to handle, very nutritious and easy to digest. A great alternative to crickets as they do not jump and they are silent! Care Instructions: As with all live food, it is essential they are kept healthy. Packed in bran, ensure the cockroaches are kept at a regular temperature of approximately 70 - 75F (21 - 24C) and away from bright light. To encourage the maximum shelf-life, empty into a smooth-sided container with a vented lid. Add a slice of apple or potato to provide moisture. Proper supplementation should be given prior to feeding to your reptile. - Excellent feeder insects - Quiet - Unable to jump - Very nutritious - Other sizes available