With the chicken tractor nest box you can collect eggs from outside. Mount it thru the wall of a chicken tractor or coop and youíll be able to collect eggs from outside thru a large 6 5/8Ē diameter access hole. A tapered yellow plug fits snug into the hole keeping the rain and wind out, making this the most weathertight chicken tractor nest box available. A marine grade bungee cord is also supplied to insure the plug isnít pushed out from inside. The nest box (pail) has UV protectant incorporated into the plastic to offer extra protection from the sunís rays. All the necessary hardware and instructions are included.