Pet Door, 16.65" x 27.44" Aluminum Frame with Lock and Flap System, Weatherproof Doggy Door, Easy to Install in Interior or Exterior Doors, Pet Door Suitable for Cat Doggie Kitties (White-xl)Comprehensive ProtectionAdvanced TechnologyQuick Suitability CheckEasy AccessStylish and VersatileHigh-Quality Brush StripApplicable Door Thickness Range: 1.06- 2 in/ 27-50.8 mm,Flap Size: 13.63 x 23.62 in/346.1 x 600 mm,Item Model Number: CWM01-xl,Flap Material: Pvc,Frame Material: Aluminum Alloy,Net Weight: 9.92 lbs/4.5 kg,Frame Size: 16.65 x 27.44 in/423 x 697 mm