Thank you for viewing. This is a natural wood perch for insects, with a tree hollow (hideout) created. - Size: Height 13.0cm, Width 14.0cm, Depth 13.0cm Tree hollow entrance 7.0cm x 2.5cm (See photo 9) - Material: Natural wood - Uses: Insect breeding perch, hideout, feeding platform - Features: With a jelly holder hole on the top surface (4cm in diameter). Also with an entrance/exit on the top surface. For reference, a photo of a Dorcus titanus (75mm) is included. ※The Dorcus titanus is not included in the product. Japanese rhinoceros beetle Flat stag beetle