Self Lock Coop Door

10" x 12", Self Locking Chicken Coop Door, Vertical Pop Style, Prevents Predators From Lifting Up The Coop Door, Locks Engage To Keep Door Closed, Coop Security, Heavy Duty Aluminum Door, Weather Resistant, Will Not Warp, Crack, Or Swell, 100% Recycled Plastic Runners, 23.5" Runners.