Dog Door 3-Flap Large Doggie Door Never Rust Plastic Doggy Door Pet Doors for Dogs Install in Interior or Exterior Doors, Insulation Flap, 2 Magnetic Flaps, Closing Panel, for Pet up to 100lb (Large)
Dog Door 3-Flap Large Doggie Door Never Rust Plastic Doggy Door Pet Doors for Dogs Install in Interior or Exterior Doors, Insulation Flap, 2 Magnetic Flaps, Closing Panel, for Pet up to 100lb (Large)
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POSGEE

Dog Door 3-Flap Large Doggie Door Never Rust Plastic Doggy Door Pet Doors for Dogs Install in Interior or Exterior Doors, Insulation Flap, 2 Magnetic Flaps, Closing Panel, for Pet up to 100lb (Large)

Dog Door 3-Flap Large Doggie Door Never Rust Plastic Doggy Door Pet Doors for Dogs Install in Interior or Exterior Doors, Insulation Flap, 2 Magnetic Flaps, Closing Panel, for Pet up to 100lb (Large)Dog Door 3 Flap Large Doggy Door Doggie Door Install Interior Exterior Doors Wall Insulation Layer 2 Magnetic Flaps Closing Panel Never Rust for Pet3 Flap Dog Door Large Doggy Door Doggie Door Install Interior Exterior Doors Wall Insulation Layer 2 Magnetic Flaps Closing Panel Never Rust Pet 100lPOSGEE 3 Flap Dog Door Large Doggy Door Doggie Door Install Interior Exterior Doors Wall Insulation Layer 2 Magnetic Flaps Closing Panel Never Rust PPOSGEE 3 Flap Dog Door Doggy Doggie Door Cat Door Install Interior Exterior Doors Wall Insulation Layer 2 Magnetic Flaps Closing Panel Never Rust for3 Flap Dog Door Large Doggy Door Doggie Door Install Interior Exterior Doors Wall Insulation Layer 2 Magnetic Flaps Closing Panel Never Rust Pet 100lDog Door 3 Flap Doggy Doggie Door Cat Door Install Interior Exterior Doors Wall Insulation Layer 2 Magnetic Flaps Closing Panel Never Rust for Pets 4
Actual Color:White
Pet Size:Large

Key item features

  • 2 Quality Flap & 1 Insulated Flap: Petcoming Plastic dog door comes with 2 pieces of excellent quality magnetic flap that can fluently close after your pet passes through the dog door. Compared to other dog doors with only 1 piece flap, our 3 Flap is more windproof, waterproof and soundproof, preventing wind and rain, and isolating mosquitoes and insects. The 3 insulated flap can keep your house shielded from extreme weather conditions and drafts.
  • Choose the Right Dog Door for Your Puppy: Measure your puppy's shoulder width and height according to the guideline in the picture to make sure your puppy can pass through this door. Large Dog Door Flap opening measures 17.3''X9.45''. Suitable for pets weighing up to 100LB. Petcoming plastic dog door is suitable for doors or walls with a thickness of 1.02''-2.36'', please make sure of the fitment before purchasing.
  • Let Your Puppy Play Safely: Let your puppy explore the small grassy area in the backyard on their own. And potty breaks on demand. Close the closing panel when you need to control the puppy in or out the door. With 2 pieces of PET FIRE RESCUE STICKER that could informs firefighter and emergency first responders that there is a pet at home alone and unprotected.
  • Never Rusts Dog Door: POSGEE practices natural environmental conservation, and the production materials are made from plastic recycled from the ocean, which would Reduce Environmental Pollution. Each POSGEE plastic dog door you purchase is equivalent to 6.6lb of plastic waste recycled in the ocean.
  • POSGEE's Extra Services: POSGEE will provide all customers with additional replacement door flap if your flap are damaged and falling off.
Current price is Now $54.99
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was $71.99
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4.548387096774194 stars out of 5, based on 32 seller reviews(4.5)
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4.3 out of 5 stars
stars65 ratings21 reviews
How item rating is calculated
  1. 5 stars74% (48)
  2. 4 stars6% (4)
  3. 3 stars3% (2)
  4. 2 stars5% (3)
  5. 1 star12% (8)

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Showing 1-3 of 21 reviews

Jan 14, 2026
Holland
Item details
Color: Black
Pet size: Large
Sold byPOSGEEDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Freedom for My Dog, Peace of Mind for Me

The POSGEE 3-Flap Dog Door has been a fantastic upgrade for our home. My dog weighs close to 90 lbs, and this large size fits him perfectly — he goes in and out comfortably without squeezing or hesitation. It's sturdy, smooth, and feels well-made right out of the box.

Incentivized Review
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Feb 4, 2026
Rene
Item details
Color: Black
Pet size: Large
Sold byPOSGEEDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Great quality

I recently purchased the POSGEE 3-Flap Dog Door and I couldn't be happier with it. Installation was straightforward, and all the parts were included with clear instructions, which made the process smooth. The door feels sturdy and well-made, and the three-flap design is perfect for keeping out drafts while still allowing my dog to come and go freely. My large dog adjusted to it quickly and seems to love the new independence. I've noticed a big improvement in energy efficiency compared to our old single-flap door, as this one seals better and keeps the cold air out. The flaps are thick enough to block wind but still light enough for my dog to push through easily. Overall, I'm very satisfied with this purchase. The quality is excellent for the price, and it's a great solution for pet owners looking for a durable and weather-resistant dog door. Highly recommend!

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Jan 7, 2026
Walmart customer
Item details
Color: Black
Pet size: Large
Sold byPOSGEEDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Great dog door

This Pet Door is fantastic. The steel frame feels very sturdy, and the three-leaf design works perfectly to let my pets in and out while protecting them from the elements. My pets immediately loved it, and I love how it provides both security and convenience. It looks sleek, functions smoothly, and feels sturdy. Definitely a great investment for any pet owner

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