PetSafe Plastic Dog Doors represent the best in affordable, performance dog doors.

These giant dog doors are easy to install and install in a wide variety of doors. The plastic pet door frame is tough and durable, withstanding constant use with ease. The dog door flap seals securely to insulate and protect your homes temperature.

Giant dog size XL: 13 7/8" x 23". For giant dogs up to 220 lbs.

How to measure for door size:

Step 1. Measure your pet from the top of the shoulders to the chest, just behind the front legs. Then measure the width of your dog at the widest point. This will be either the shoulder or hip area.  Determine your giant dog's weight.
Step 2. Select the correct door size based on your giant dog's measurements and weight. You will need a dog door with an opening size that is bigger than your giant dog's measurement.