Extra Large White Wall Entry Pet Door - Double Flap with Built-in Telescoping Tunnel & Lock-Out Slide | Ideal for Dogs & Cats | Indoor/Outdoor Use for Homes & Apartments

The performance of the door is unparalleled, the ease of installation is a cinch, I would say if you've ever worked on your home before this should be no problem. A couple of things to take in to consideration is the size of your dog, the area you're going to install it in, and to make sure there's no plumbing, electrical, gas, etc where you plan to install.As far as the constitution, the product is well made, easy to adjust to the wall thickness, the magnet strength is impressive, strong enough to keep monsoon winds and rain out, yet ready enough for my 100 pound and even my 15 pound dog to push through.The flaps are adequate to keep the warm, cold, and inclement weather out, but still pliable enough for a small or large dog to easily egress through.Again the size, I have a 100 pound dog who is wide chested and tall. He had no issues coming through the door in or out.The door i received had a substantial chip in it, making one side non-functional. As per all the labels and papers in the box stated "don't return to the store" and "for missing or broken parts, contact us."So I did, the response was less than customer centric, even after proving the purchase through receipt and a picture of the damage, the answer was simple; return it to the store.So I returned the one from here and ultimately had to purchase it from another box store nearby at a higher price.I am happy with the door, I just wish that the manufacturer wouldn't put all that paper in the box saying that they'll help just reach out and don't return.But that's the way the world is now I guess.