【Double-Sided Use!】 ★ Comes with a small dish! Attach it near the heater, and you can spend the cold winter comfortably warm! Air flows through the holes from both the top and bottom, so unpleasant air won't linger d('∀'*) If you hang a rope through the small holes, you can also solve the lack of exercise, and they can stick their heads out of the holes? It can also be used for eating treats! You can sleep on the platform, and it can also be used as a perch, so it's comfortable♪ (*」´□`)」 Grandpa, come on up! ( ºωº ;) Can I climb up? d(˙꒳​˙* ) There's a rope attached!! The size is listed in the image! Uses 6mm bolts The bolts are fitted tightly, so only two washers are needed! Thank you for your understanding. ★ A rope is attached for climbing. ★ The base uses Aomori Hiba wood. The perch footrest also uses Aomori Hiba wood.