Material: Fir construction solid wood durable with good ventilation waterproofing treatment.100% safe for small animals3 x access door2 internal perches nesting boxes with a ramp for your chickens to get in and out heavy-duty metal bolts zinc rear pull out tray for easy cleaning Pre-Drilled holes for quick easy assembly. Installation instruction will be provided. Assemble in a few easy steps with a screwdriver you DON T need to be professional to build it.