Specifications:. Material: particle board, plush, sisal. Overall dimension (approx.): 49x49x138.5 cm(LxWxH). Big condo (approx.): 49x24.5x24cm(LxWxH); door size: 18x18cm(WxH); window diameter: 10cm. Small condo (approx.): 28.5 x 28.5 x 24 cm(LxWxH); door size: 18x18cm(WxH). Round platform dia.: 30.5 cm. Maximum load: 20 kg