That's a doggie door with style! Bitty's mom included this cute dog door in her beautiful backyard deck makeover. There are plenty of stylish outdoor decor ideas for the humans, too, by Katy Byrne of DBK: Designs By Katy. See it all on The Home Depot Blog. || @KatyByrneDesign
Plesidor XLarge Dog Door for Installation in a Door | The Large Version comes with "Bite Guard" technology and is very resistant to chewing. If you've got a chewer and need the large size, you should consider the 'bite guard' version of the large.