NAMSAN Cat Door for Sliding Door Window, Inside Opening 8 x 10 inches, Doggy Door for Screen Door, Small Doggie Door Screen Porch Cat Door Automatic Closing

Namsan is dedicated to researching animal supplies. This pet umbrella door has been authorised by Namsan It is made of high quality ABS material, durable and robust. If you attach the included screws with nuts to this dog door frame, this is sufficiently robust and never falls off easily. The door flap can be replaced at any time. The magnet built into the door frame can automatically close when your dog pushes the screen door. You can also lock the door by the 2-sided blue lock if you want to prevent your pets from running freely. Install this pet door only in indoor/outdoor doors, windows and other screen areas. It cannot be used for very thick wooden doors, iron/aluminium doors and walls. Installation instructions included, easy to install. Inner flap opening size: 20.5 x 26 cm (8 x 10 inches), outer frame size: 24 x 29 cm (9.4 x 11.4 inches), suitable for small dogs, cats or other small pets that can go in and out freely.