Thank you for viewing! A great value set of 3! These are natural wood perches for insects, with tree hollows (hideaways) created within them. - Size ①: Height 15.5cm, Width 8.5cm, Depth 8.5cm : Tree hollow entrance 6.5cm x 2.0cm (See photo 5) Size ②: Height 15.5cm, Width 8.5cm, Depth 8.5cm : Tree hollow entrance 6.0cm x 2.0cm (See photo 9) Size ③: Height 17.0cm, Width 8.5cm, Depth 8.5cm : Tree hollow entrance 6.0cm x 2.0cm (See photo 13) - Material: Natural wood - Uses: Insect perches, hideaways, and feeding platforms - Features: Includes a jelly holder hole on the top. (4cm diameter) For reference, photos of a 75mm long Dorcus hopei are included. ※The Dorcus hopei is not included in the product. Japanese rhinoceros beetle Japanese flat stag beetle