Material: Fir construction, Solid wood; Durable with good Ventilation; Water proofing treatment, 100% safe for small animals; 4 x access doors,nbsp; Three Internal Perches; 2x Nesting boxes Plus a easy cleaning Tray; Built-in ramp connected between floors with stair lock, Heavy Duty Metal Bolts; Zinc rear pull out tray for easy cleaning, Pre-Drilled holes for quick easy assembly with installation instructions provided. You DON’T need to be professional to build it! Overall: 102″(L) x 32″(W) x 42.9″(H) Suitable for about 4 to 6 chickens (depending on size and breed). Assemble in a few easy step with a screw driver