Tunnel Adjustable Dog Door, Aluminum Pet Door with Magnetic Double-Flaps Design, Weatherproof and Energy-Saving, Easy Install on Interior/Exterior Door or Wall (Medium)

FreeStanding dog doors have 2 locking modes which can give your cats and dogs freedom to go in and out without your help, perfect for potty breaks or play time.

Dog door with telescoping tunnel can be installed on doors of different thickness [1 1/4-2 1/2].

Frame: 11 3/5"W * 15 3/5"H.

Flap: 8 4/5"W * 12 1/4"H.

Suitable for pets up to 44 pounds.

The dog door adopts aviation aluminum alloy to make the product more solid.

The double-flaps and windshield provide weatherproofing and energy efficiency, and help protect against extreme weather, air drafts.