ONEFOJOJO D-SY3800 1.5-Inch Martingale Dog Collar

The ONEFOJOJO D-SY3800 is a 1.5-inch-wide nylon martingale collar listed in an XL neck range of 22–32 inches. Its tightening design is intended to help manage pulling and reduce backing out, but correct sizing and supervision matter.

At a glance

Martingale construction is described as tightening when a dog pulls, for added control and reduced chance of slipping out.
The listing specifies 1.5-inch-wide nylon webbing and a skull design.
The listed XL size is for necks measuring 22–32 inches.
The maker recommends measuring the dog's neck and leaving room for two fingers.

Price

$7.49Save 50%

Reference price: ~~$14.99~~

Price checked: Nov 12, 2026

View offer

Often bought together

Martingale Dog Collar 1.5 Inch Wide Heavy Duty Skull Design for Large Dogs | Adjustable Training Collar for Walking, Hunting,

Pros and cons

Pros

Wide webbing may appeal to buyers seeking a broad collar for a large dog.
Martingale tightening is designed to help manage pulling and slipping out during walks.
The listed care instruction is machine washing.

Cons

A martingale collar tightens under tension, so its fit and use require care rather than treating it like a fixed-width everyday collar.

Technical specifications

11 specifications

Identity
Brand	ONEFOJOJO
Model	D-SY3800

Materials and fit
Material listed	Nylon
Width	1.5 inches
Selected size	XL Neck 22-32"
Pattern	Animal Print
Color	11
Recommended dog size	Large

Design and care
Collar type	Animal Martingale Collar
Closure type	Pull On
Care instructions	Machine Wash

What to know before buying

Measure the dog's neck and consult the listing's size guide before ordering. The maker says not to leave the collar on the dog unsupervised. The listing describes machine washing in product details but also says hand washing in feature copy. Customer feedback reports both good fit and collars that run large or loosen over time, so check the fit regularly.

Who is it for?

A good fit for

Large dogs whose owners want a wide martingale collar for walks or training.
Buyers looking for a nylon collar with a skull-style print and listed XL neck sizing.

Less suited to

Dogs whose neck measurement falls outside the listed XL range, unless another size is confirmed for the selected listing.
Owners seeking a collar to leave on a dog unsupervised.

ONEFOJOJO D-SY3800 1.5-Inch Martingale Dog Collar · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 185 ratings

5 stars78%78%
4 stars8%8%
3 stars6%6%
2 stars4%4%
1 star4%4%

Customer feedback is generally favorable about the collar's appearance, vibrant colors, construction, and durability. Some report that it functions well for managing pulling on walks. Fit and sizing are mixed, with reports of both a good fit and a collar running large or loosening over time. Those fit concerns matter for a tightening design, so measure carefully and monitor the fit. Aggregate ratings are mostly in the top category, but do not establish how the collar performs for every dog.

Positive themes

Customers praise the appearance and color, as well as durability and construction.
Some customers describe it as functional for helping manage pulling on walks.

Mixed feedback

Fit and size feedback is mixed. Some report a good fit, while others say it runs large or loosens over time.

Frequently asked questions

What neck size does this listing specify?

The selected XL size is listed for a 22–32-inch neck. Measure your dog and compare the result with the size guide before buying.

What does the martingale design do?

The listing says the collar tightens when a dog pulls, which is intended to improve control and help prevent slipping out. It should be properly fitted and not left on unsupervised.

How should the collar be cleaned?

The product details say machine wash, while the feature text recommends hand washing. Confirm the care method on the selected listing if this distinction matters.