Dog 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 100 Lb) -Large

TBCPET pet door comes in various sizes: S for dogs under 12 pounds, M for under 40 pounds, L for under 100 pounds, and XL for under 220 pounds. Please refer to the picture for measurement guidance. If unsure, contact us

Durable Steel Frame: Our pet door features a sturdy steel frame that crafted using a metal laser welding process and high-quality steel aluminum alloy oxidation to ensure durability, security, and thermal insulation

Energy-Efficient: Double-flap design offers weatherproofing & energy efficiency, helping to shield against extreme weather conditions and drafts. Made from food-grade silicone, chew-resistant & safe, free from Mosquitoes and Other Small Animal Intrusion

Energy-Efficient: The double-flap design offers weatherproofing and energy efficiency, helping to shield against extreme weather conditions and drafts. Made from food-grade silicone, chew-resistant and safe, and free from Mosquitoes and Other Small Animal Intrusion

Secure Lock: Ensure home security, control pet access, close the passage at night, and prevent external factors from entering

TBCPET After-sales Guarantee: Customer satisfaction is our pride. We are committed to providing customers with high-quality products and excellent after-sales service. Your pet will adore this door