Keep your pet safe and secure at all times, especially when you're not around. This Replacement Kennel Door is specifically designed for use with the Petmate® Deluxe Pet Porter® Jr, Petmate Kennel Cab®, Petmate Pet Taxi®, Petmate Double Door Deluxe, Petmate Classic Kennel, and Aspen Pet® Two Door Deluxe, for sizes small (19" x 12.3" x 10.8"), medium (23" x 14.5" x 12"), intermediate (24" x 16.3" x 14.8") and large (26" x 18.8" x 16.5"). NOTE: 8 7/8" x 9 5/8" door size also fits Petmate Pet Escort Kennel. To ensure a proper fit, be sure to match your pet's kennel door dimensions with the appropriate dimensions of the replacement door.