Exterior pet door can be installed in wall or door. Magnetic flap to seal out weather. Pet pass through is 10" wide x 16"s tall, is intended for large dog. Inside door is 6 panel which can be locked. Inside door also has gasket to keep out weather. All wood construction no cheap plastic parts. Has telescoping halves for easy installation, only requires a bead of caulk on both sides to hold it in place. Made in USA
