Feature:1. GOOD FUNCTION Strong bearing capacity, impact resistance and shock absorption. Maintain good elasticity and softness at 35 / 95.2. TPU MATERIAL The dog door replacement flap is made of flexible and durable TPU material, providing a long service time.3. MAGNETIC STRIP The magnetic strip on the bottom securely attaches to magnetic surface of pet door, preventing outside weather from entering.4. EASY INSTALLATION Installation is quick and easy, and can be installed in minutes with just a screwdriver.5. COMPATIBLE For aluminum pet door, plastic pet door, extreme weather pet door, wall entry aluminum pet door and free patio panel pet door.Specification:Item Type: Dog Door FlapMaterial: TPUCharacteristics:1. Strong bearing capacity, outstanding impact resistance and shock absorption2. Outstanding Cold Resistance: Can maintain good elasticity and softness at -35 / -95.Package List:1 xDog Door FlapNote:1. Since the product is made of TPU material, the product will have a peculiar smell, don't buy it if you mind. Please let it cool naturally before use, and there will be no odor after a few days.2. Please allow some errors due to manual measurement.