This is handmade. Suitable for small birds such as finches, young birds, society finches, Bengalese finches, and Java sparrows. Entrance diameter: Approximately 7 cm Depth from entrance: Approximately 14 cm Nest hooks are available for 200 yen. Color specification is an additional 50 yen (white is not available). As this is handmade, there may be slight individual differences. Please refrain from purchasing if you are concerned about minor details. m(_ _)m May your beloved bird have a happy time with you! ☆*:.。. o(≧▽≦)o .。.:*☆