HKM-528851 Cat Door for Windows and Sliding Doors - Weatherproof Pet Flap with Lock and 4 Access Modes for Small Dogs and Cats
SKU: 66377606447

HKM-528851 Cat Door for Windows and Sliding Doors - Weatherproof Pet Flap with Lock and 4 Access Modes for Small Dogs and Cats

$61.19 $67.99
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

HKM-528851 Cat Door for Windows and Sliding Doors - Weatherproof Pet Flap with Lock and 4 Access Modes for Small Dogs and CatsIntroducing the HKM 528851 Cat Door, designed to provide your pets with the freedom they crave while ensuring your home remains secure and comfortable. This innovative weatherproof pet flap is perfect for windows and sliding doors, giving small dogs and cats the ability to come and go as they please. The HKM 528851 features four distinct access modes, allowing you to dictate your pet's entry with ease. Choose from Free In & Out, Fully Locked, Out

Introducing the HKM-528851 Cat Door, designed to provide your pets with the freedom they crave while ensuring your home remains secure and comfortable. This innovative weatherproof pet flap is perfect for windows and sliding doors, giving small dogs and cats the ability to come and go as they please.

The HKM-528851 features four distinct access modes, allowing you to dictate your pet's entry with ease. Choose from Free In & Out, Fully Locked, Out Only, and In Only settings. This flexibility is crucial for maintaining a safe environment while protecting your home from unwanted pests.

Crafted from durable ABS plastic, the HKM-528851 Cat Door ensures longevity and resilience. With panels measuring just 0.78 inches thick, installation is a breeze—no need for complicated cutting. The dimensions of the unit itself are 7.7 x 7.5 inches, with a flap size of 6.7 x 6.3 inches, accommodating pets with a waist circumference of less than 19.8 inches.

For optimal performance, this cat door is equipped with a sealing well strip and magnets. These features work together to effectively block out bugs and odors while maintaining your home's internal climate, minimizing air loss during both summer and winter months.

Installation is straightforward, thanks to the inclusive instructions that come with detailed templates, eight screws with caps, and double-sided tape for secure mounting. With the HKM-528851 Cat Door, you'll enhance your living space while greatly improving your pets' quality of life. This product combines convenience, functionality, and peace of mind for responsible pet owners.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 66377606447

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4.5 ★★★★★
Based on 1331 reviews
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Lala
Dallas, US
★★★★★ 5
My Favorite Face Mask for Hydrated, Glowing Skin
Scent: Collagen, Size: 4 Count (Pack of 1)
I’ve tried a lot of face masks over the years, but the BIODANCE Bio-Collagen Real Deep Mask has easily become my favorite. Every time I use it, my skin feels incredibly hydrated, smooth, and refreshed, and the results last much longer than I expected from a single mask treatment. One of the things I love most about this mask is how deeply moisturizing it is. After wearing it overnight, my skin looks noticeably plumper and feels soft and nourished. Instead of just giving a temporary boost, I’ve found that the healthy glow lasts well beyond the next day. In my experience, my skin maintained a radiant, hydrated appearance for nearly two weeks after use, which is something I haven’t experienced with many other masks. The hydrogel material feels comfortable on the skin and stays in place well throughout the night. When I remove it in the morning, my skin looks brighter, more refreshed, and noticeably more hydrated. I appreciate that this mask feels like a true self-care treatment rather than just another skincare step. Whether I’m preparing for a special event or simply giving my skin some extra attention, this is the mask I consistently reach for. The fact that it comes in a multi-pack makes it even better because I always like having one available when my skin needs a boost. Overall, this is one of the few skincare products that I continue to repurchase because I genuinely notice a difference. If you’re looking for a mask that delivers intense hydration, plumping benefits, and a beautiful long-lasting glow, I highly recommend giving this one a try.I’m
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
E
Verified Purchase
Erin Amones
Grantham, US
★★★★★ 5
Instant Glass Skin!
Scent: Collagen, Size: 4 Count (Pack of 1)
I’ve tried SO many sheet masks and this collagen one is genuinely one of the best. My skin looked insanely hydrated, smooth, and glowy after just one use. It fit my face really well, stayed soaked the entire time, and didn’t leave that sticky feeling afterward. The next morning my skin still felt soft and looked brighter. Perfect before events or whenever your skin needs a reset. Definitely repurchasing!!
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Reviewed in the United States on May 24, 2026
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Verified Purchase
Amy Marie Anderson
Cuba, US
★★★★★ 5
Absolutely amazing masks!!!
Scent: Collagen, Size: 4 Count (Pack of 1)
These masks are beyond amazing! I use one once a week and leave it on overnight after completing my p.m. skincare routine and wake up to smooth, plump, moisturized, and absolutely glowing!! I have extremely sensitive skin and eyes and these masks do not bother me at all. No burning in my eyes and no irritation of the skin. My deep wrinkles seem a lot less pronounced and some of my more fine lines almost disappear for 24 hours after using this mask. They are simple to use and adhere to the skin perfectly even after applying serums and moisturizers. Once the mask is completely absorbed and becomes clear it peels of the skin with ease. Based on the quality of these masks I am shocked by the low price, it is such a great value for your money. This Mask has become a staple in my skincare routine and I will continue to purchase these!!
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Reviewed in the United States on May 10, 2026
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Verified Purchase
Tara Rekatsinas
Massapequa, US
★★★★★ 5
instantly more hydrated + glowy skin
Scent: Collagen, Size: 4 Count (Pack of 1), Scent: Collagen, Size: 4 Count (Pack of 1)
I love this mask. It’s one of those products you can actually see a difference with right after using it. It really helps with: 1. Deep hydration – my skin feels plump and moisturized, not dry or tight 2. Smoother texture – it softens everything and makes my skin feel really smooth 3. Glow/brightness – gives that fresh, healthy glow without looking greasy How I use it: I apply it on clean skin (usually at night), leave it on as directed, and let it fully absorb before removing. I like using it when my skin feels dull or dry and want a quick reset. Overall, it’s super easy to use and makes my skin look more refreshed every time. Definitely a go-to for me.
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Reviewed in the United States on April 28, 2026
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Verified Purchase
Ashley
Pawtucket, US
★★★★★ 4
Woke Up Glowing ✨ (But Sleeping In It Is a Stretch lol)
Scent: Collagen, Size: 4 Count (Pack of 1)
I was honestly impressed with this mask! It feels super soft, cooling, and refreshing while wearing it. The jelly texture makes it feel really hydrating and luxe, like a mini spa night at home. My skin looked smooth, plump, and GLOWING the entire next day after I took it off. Like… noticeably radiant. I also have sensitive skin, so I was a little nervous trying it at first, but I didn’t have any irritation or reaction at all. My skin felt calm, hydrated, and refreshed afterward. One thing I actually liked was that the mask was easy to customize a little. I have a nose piercing, so I just tore a small piece near my nose so it would fit comfortably without irritating it. The material held up perfectly, so that was a nice bonus for anyone with piercings or who just needs a better fit in certain areas. My only complaint is the “sleep in it” part of the instructions. I personally don’t see how that’s possible 😅 The mask stays pretty moist and jelly-like the whole time, so it felt uncomfortable to lay down in and I kept feeling like it would slide around. I ended up just wearing it for a while before bed instead. Overall though, the results were worth it and I’d definitely use it again for the glow alone!
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Reviewed in the United States on May 3, 2026

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