UNIQUE CRAFT CUTTABLE DESIGN: Our dog door replacement flap is a cuttable design that fits on your pet door and provides a secure barrier to prevent flies and debris from entering. It gives your furry friends the protection they deserve. SAFE AND LONG LASTING: Made from notch PVC, our doggy door flap is safe and odor. Weather resistant and not easy to deform. You will love its durability and long lasting performance. GENERAL DESIGN: Easy to install dog door flap. The transparent blue color and clear design make it an ideal entrance for pets to move . Specially designed to fit most standard pet doors. HASSLE REPLACEMENT: Ensure the comfort of your furry friends with this dog door flap replacement designed for easy installation. Simply overlap both sides, measure and cut, drill 23 holes and screw in. Enjoy better insulation and a hassle replacement experience. USE SCENARIOS: Replacing worn or damaged flaps on standard pet doors in homes with pets. Seasonal weatherproofing to reduce drafts while letting pets move . DIY installation to upgrade without professional help.