VEVOR CWM03-XL X-Large Sliding Glass Dog Door

VEVOR CWM03-XL is an X-Large dog door insert for sliding glass doors, with an adjustable height range and a lockable flap. Its large opening and tool-free, non-permanent installation may suit renters, but customer feedback flags fit, sealing and instruction concerns worth weighing before purchase.

At a glance

Adjustable height is specified for sliding door openings from 75 7/8" to 80 11/16".
The flap measures 13 5/8" x 23 5/8" and is described for medium or large dogs.
A lock lets owners restrict passage through the flap.
The listing describes tool-free insertion into a sliding door track and a non-permanent installation.

Price

$128.61Save 10%

Reference price: ~~$142.90~~

Price checked: Nov 12, 2026

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Pros and cons

Pros

The adjustable height range gives a defined fit window for measuring a sliding door opening.
The large stated flap opening may make passage easier for larger dogs.
A lockable flap provides a way to limit pet access when needed.
The stated slide-in installation avoids permanent changes to the door.

Cons

Customer feedback reports mixed results with the flap staying closed and the insert aligning with the sliding door.
Instructions receive negative feedback in the supplied customer summary.

Technical specifications

13 specifications

Identity
Brand	VEVOR
Model	CWM03-XL
Size	X-Large
Color	White
Pet type	Dog
Dog size listed	Large

Dimensions and installation
Adjustable height	75 7/8" - 80 11/16" (1927 - 2049 mm)
Flap dimensions	13 5/8" x 23 5/8" (346 x 600 mm)
Dimensions listed	0.79 x 16.97 x 80.32 inches; 23.15 pounds
Weight listed	10.5 kg
Maximum compatible thickness	0.79 inches

Materials and protection
Material listed	Aluminum, Metal, Tempered Glass
Frame material	Aluminum

What to know before buying

Measure the door opening and compare it with the stated adjustable height range before buying. Customer feedback describes size and fit as mixed, including reports that it can be about 3/8 inch too big. Reports also mention sealing and alignment problems, and some say the flap does not stay closed. These are customer-reported experiences, not confirmed defects.

Who is it for?

A good fit for

Renters or others seeking a described non-permanent insert for a sliding glass door.
Owners of medium or large dogs whose measurements suit the stated flap opening and door-height range.
Buyers who want a lockable pet flap and can check track fit before installation.

Less suited to

Buyers whose sliding door opening falls outside the stated adjustable height range.
Those who need assured sealing, alignment or straightforward instructions based on the supplied evidence.

VEVOR CWM03-XL X-Large Sliding Glass Dog Door · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.1 / 5 · 1,201 ratings

5 stars63%63%
4 stars13%13%
3 stars8%8%
2 stars6%6%
1 star10%10%

Customer feedback describes the door as functional and pet-friendly, with positive remarks about its appearance and suitability for renters. However, experiences with size, sealing and fit are mixed, including reports of the flap not staying closed and misalignment with sliding doors. Instructions also draw negative comments. For buyers, these reports make careful measurement and checking the insert's fit especially important, even though the listing specifies an adjustable height range and a lockable flap.

Positive themes

Customers describe it as functional and pet-friendly, and appreciate its appearance.

Negative themes

Customers criticize the instructions.

Mixed feedback

Customers disagree about whether the size is right, and report mixed experiences with sealing and alignment. Some say the flap does not stay closed.

Frequently asked questions

What sliding door height does the VEVOR CWM03-XL fit?

The listing gives an adjustable height range of 75 7/8" - 80 11/16" (1927 - 2049 mm). Measure the opening and compare it with that range before purchase.

How large is the flap?

The stated flap dimensions are 13 5/8" x 23 5/8" (346 x 600 mm). The listing describes it for medium or large dogs.

Does it require permanent installation?

The listing says it slides into a patio door track without tools and presents it as a non-permanent option. Check the actual track fit, as customer feedback reports alignment issues.

Can the flap be locked?

Yes. The listing describes a lock intended to restrict passage through the pet door.