VEVOR Pet Door, 12.28" x 17.13" Metal Frame with Lock and 3-Flap System Weatherproof Doggy Door, Easy to Install in Interior or Exterior Walls, Pet Door Suitable for Cat Doggie Kitties (White-Medium)

VEVOR Pet Door, 12.28" x 17.13" Metal Frame with Lock and 3-Flap System Weatherproof Doggy Door, Easy to Install in Interior or Exterior Walls, Pet Door Suitable for Cat Doggie Kitties (White-Medium)Comprehensive ProtectionAdvanced TechnologyQuick Suitability CheckEasy AccessStylish and VersatileHigh-Quality Brush StripsFlap Size: 8.25 x 12.25 in/209.6 x 311.2 mm,Item Model Number: CWM02-M,Flap Material: PVC,Frame Material: Metal,Applicable Wall Thickness Range: 4.75-7.25 in /120.7- 184.2 mm,Net Weight: 11.8 lbs/5.35 kg,Frame Size: 12.28 x 17.13 in/312 x 435 mm