Pigeon Cage Door 3 Pcs Plastic One Way Entrance Product Description A set of 3 pigeon cage doors is a practical solution for breeders and bird lovers. Made of durable plastic, they are lightweight, weather-resistant and easy to install. Thanks to the one-way entry function, the birds are free to return to the box or loft, but they cannot leave it on their own. This is especially useful in racing pigeon and racing pigeon farming, where control over the return of birds is crucial.