Pet Door Replacement Flap, Compatible with Flap Pet Doors, Measures 8.25" x 12.25" Longer Lasting, Weather-proof, Thickened Pvc Dog Door Replacement Flap with Long Magnetic Strip (Medium)Multifunctional and Highly PracticalAdvanced TechnologyQuick Sealing for Energy EfficiencyElegant and Beautiful DesignEasy ReplacementSilent OperationFlap Size: 8.25 x 12.25 in/209.6 x 311.2 mm,Item Model Number: Cwm-m,Flap Material: Pvc,Net Weight: 0.59 lbs/0.27 kg