This Large wooden cat houses is made from real dry cedar wood and will not deform. The surface of the House is wood finish painted to prevent sun burning. Roof has tile layer will against rain and snow. All wood house been fumigation free of termite. The natural insulating value of wood is much higher than that of most other material used for pet houses, thereby rendering the interior of the cat house cool in the summer and warm in the winter. Comes in easily assembled, knocked-down panels, just set it up in minutes with a screwdriver. (simple and easy to follow instructions included). Special designed door and windows with steel fence to keep ventilation. House measures 37"(L)x34"(W)x30(H)"; Balcony size: 18"(L)x29"(W)x14"(H); Front door has opening 13"X11".