Step 1 to fresh eggs in this ECOFLEX chicken barn. Perfect for 2-4 chickens. Includes nesting box and roosting bar. Attach an ECOFLEX pen (sold separately) to expand the space. Removable roof for easy egg collecting. Rinse with a hose for easy cleaning. Won t absorb liquid or odors. ECOFLEX is a proprietary formula that incorporates reclaimed wood and plastic into the material that allows the product to be eco-friendly and a great value as it will outlast most other products. ECOFLEX is 100% nontoxic and does not absorb moisture. There is nothing in ECOFLEX that could harm your pets. Easy no tools assembly. The number of birds may vary by breed. Pen sold separately.