Blue single hole feeder Quail feeder. Unit mounts with 2 hangers to the exterior of any cage, making it a breeze to fill from the outside. 
Clear plastic feed door hinges open from the outside for easy filling. Each feed slot holds approximately 1 pint of feed 
Feed openings are 1.8 inches wide by 2.8 inches tall. 
Made high-density, impact-resistant polyethylene that will not rust, rot, or corrode. Easy to keep clean plastic surface. 

Outside measurements are 3.5 inches wide by 4.5 inches deep by 5.25 inches tall