4-Way Locking Pet Door | Cat & Small Dog Flap with Security Lock, 4 Sizes
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★★★★★ 4.8/5 | 1,000+ Happy Customers
Free US Shipping • Delivery in 5-12 Business Days
Ever had your cat wake you up at 3 AM because they want out, then want back in five minutes later? Yeah. This flap fixes that.
It's a 4-way locking pet door that gives you full control over who goes where and when. In-only, out-only, fully open, or completely locked — you decide with a simple twist of the dial. No more getting up to open the door for your pet every ten minutes.
The frame is made from sturdy ABS plastic that holds up to daily use. The clear flap lets your pet see through before they push through, so they're not hesitant to use it. The brush-lined edges help keep drafts out and keep the flap quiet when it swings shut.
Comes in 4 sizes — from tiny kittens up to small dogs. Measure your pet's width and shoulder height before ordering (size guide below). Available in black and white to blend with most doors.
Why pet owners actually buy this:
- 4-way locking system — in only, out only, open both ways, or fully locked
- Clear see-through flap — your pet won't hesitate to push through
- Durable ABS plastic frame — built for daily in-and-out traffic
- Brush-lined seal — reduces drafts and keeps the flap quiet
- 4 sizes available — fits cats and small dogs up to different weights
- Easy to install — cut the opening, screw in the frame, done
The details:
- Material: High-grade ABS Plastic
- Colors: Black, White
- Locking: 4-way rotary dial (In Only / Out Only / Open / Locked)
- Installation: Fits doors, walls, or cabinets (cutting template included)
Size Guide — Measure Your Pet Before Ordering:
| Size | Dimensions | Best For |
|---|---|---|
| S | 20 x 19 x 2 cm | Small cats, kittens |
| M | 20 x 19 x 5.5 cm | Average adult cats |
| L | 25 x 23.5 x 5.5 cm | Large cats, small dogs |
| XL | 27.7 x 25 x 5.5 cm | Small to medium dogs |
Tip: Size S is best for kittens and very small cats. Most adult cats fit size M comfortably. When in doubt, measure your pet's shoulder width and compare to the flap opening.
Free US shipping. Delivery in 5–12 business days.
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Pro tip from our team: Install it at your pet's shoulder height, not higher. If they have to duck or jump, they'll avoid it. A little treat on the other side during the first few days helps them get the hang of it fast.
