Thank you for viewing. This is a natural wood perch for insects, with a tree hollow (hideout) created. - Size: Height 16.0cm, Width 19.0cm, Depth 11.5cm Tree hollow entrance 7.0cm x 3.0cm (See photo 8) - Material: Natural wood - Uses: Insect breeding perch, hideout, food stand - Features: With a jelly holder hole on the top (4cm in diameter) For reference, a photo of a Dorcus titanus (75mm) is included. ※The Dorcus titanus is not included in the product. Japanese rhinoceros beetle Japanese stag beetle Insect breeding