View 2 of ** new, opened package** Pet Door for Wall Upgrade 2.0 with Secure Aluminum Lock, Steel Frame & Telescoping Tunnel, Double Silicone Flaps Dog Doggy Door and Cat Door for All Pets, Strong & Durable(Pets Up to 40 Lb) -Medium Medium Upgrade2.0

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View 1 of ** new, opened package** Pet Door for Wall Upgrade 2.0 with Secure Aluminum Lock, Steel Frame & Telescoping Tunnel, Double Silicone Flaps Dog Doggy Door and Cat Door for All Pets, Strong & Durable(Pets Up to 40 Lb) -Medium Medium Upgrade2.0View 2 of ** new, opened package** Pet Door for Wall Upgrade 2.0 with Secure Aluminum Lock, Steel Frame & Telescoping Tunnel, Double Silicone Flaps Dog Doggy Door and Cat Door for All Pets, Strong & Durable(Pets Up to 40 Lb) -Medium Medium Upgrade2.0View 3 of ** new, opened package** Pet Door for Wall Upgrade 2.0 with Secure Aluminum Lock, Steel Frame & Telescoping Tunnel, Double Silicone Flaps Dog Doggy Door and Cat Door for All Pets, Strong & Durable(Pets Up to 40 Lb) -Medium Medium Upgrade2.0