Compatibility: 2 pack dog door replacement flaps compatible with PAC 11-11040 model, measures 13 1/8"(Width) x 24 7/8"(Height), providing perfect doggie door replacement flaps for your dog door High-Quality Material: MOLYLY pet door replacement flap Made with flexible and durable materials to ensure long-lasting use Weather Resistance: Wind and rain-resistant design keeps your interior dry and comfortable, dog door replacement flaps offer a secure and cozy passage for your dog and pet Easy Installation: Simple to install with included screws from MOLYLY dog door flap. No need for extensive tools, making the process hassle-free Enhanced Pet Comfort: Doggy door replacement flap designed to offer smooth and easy access for pets, ensuring their comfort and convenience.