Acrylic case, 19cm high, 30cm wide, 15cm deep. This case can be used for observing insects, larvae, and various other purposes. This is a set of 3. It can be used to prevent incomplete emergence of Hercules beetles, Neptune beetles, etc. It can also be used in various situations such as raising Metaca. This is a used item. Please understand that there are scratches, etc., before purchasing. I used it for insect breeding before. Please purchase with your understanding.