Fit For Large Doors and Large Size Pets :Dog door replacement flaps Measures 10 1/8"(Width) x 16 7/8"(Height), FIVE Screw holes at the top of the Flap for adjustment, and it also can be use as cat door flap replacement Compatible with : Doggie door replacement flaps compatible with your PetSafe Freedom pet door, ,doggie doors, replacement flap PAC11-11039 Protection from Wind, Rain, UV Rays ：Large pet door replacement flap Made from flexible, durable materials, Magnetic strip at bottom of flap, Can suck the bottom firmly, Suitable for all seasons Easy to replace with screws: Doggy door replacement flap includes 2 flaps and 2 packs of 4 screws, just need a screwdriver and install the flap to the existing pet door frame in minutes ATTENTION: Please check the number of Screw holes on your dog door flap before placing an order, and purchase products according to the number of holes in your dog door flap Upgrade your pet door with our Dog Door Replacement Flaps! Our Doggie Door Replacement Flaps are made of high-quality, weather-resistant PVC that withstands the elements and UV exposure, ensuring long-lasting performance in any season. Simply install the flap to your existing pet door frame in minutes! It will provide them with a comfortable, weatherproof way in and out. Keep your home airy while giving your furry friends the freedom they deserve!