FeaturesMULTIPURPOSE: Our interior cat doors are perfect for use in bedrooms, bathrooms, laundry rooms, basements, utility rooms, closets, and many other places in your home. It is also ideal for larger cat breeds such as Maine Coons, Burmese cats, Bengal cats, American Bobcats and Ragdolls.EASY INSTALLATION: Unlike complicated cat holes that require glue, pins, and tape, our pet doors are easy to install and only take 15-20 minutes to complete. All the hardware you need is included, just bolt on the sides, cover with the bolt caps, and you're ready to go!SUPERIOR SECURITY: Our indoor cat door is more secure than your average door because it's secured with bolts instead of fragile adhesive, ensuring it won't tear away from your interior door. The door is made of thick, sturdy molded plastic for durability.Suitable for Solid and Hollow Core Doors: Our cat interior doors fit all standard interior doors with a thickness of 0.8"-1.78". It also mounts securely to hollow doors, thanks to its smooth plastic arches, which prevent your cat's tender paws from getting stuck inside the door's hollow opening.SAFE, PROTECTED SPACE: Our indoor extra-large cat doors provide your cat with a safe, protected interior space to come and go as they please. It also prevents large pets like dogs from sneaking in and eating all the cat food.Package includes1 X Indoor Cat Door XL8 long screws8 short screws8 X screw cover1X Installation Instructions