Blog 5: How to Choose the Right Dog Collar: Size, Fit, and Type

How to Choose the Right Dog Collar: Size, Fit, and Type

A collar that fits well is safer, more comfortable, and less likely to be chewed off or slipped out of. Choosing one is mostly about two things: getting the size right, and picking a type that suits your dog and your routine. Here is how to do both without guesswork.

Quick answer: measure around the base of your dog’s neck, keep it snug with room for two fingers, and pick a collar whose adjustable range comfortably contains that measurement. Then choose a type and material that match how and where your dog spends its time.

Step 1: Measure your dog’s neck

Use a soft fabric tape measure. If you do not have one, wrap a piece of string or even a phone charging cable around the neck, mark where it meets, and measure that against a ruler. Measure at the base of the neck, a little below the head, where the collar naturally sits. Pull it snug but not tight.

Already have a collar that fits well? You can measure that instead. Lay it flat and measure from the buckle to the hole you actually use. Do not measure end to end and do not include the buckle, or you will read an inch or two too long.

Step 2: Use the two-finger rule

A correctly fitted collar lets you slide two fingers flat between the collar and your dog’s neck. Tighter than that risks rubbing and restricted breathing. Looser, and the collar can slip over the head or catch on things. This simple check matters more than any number on a size chart.

Step 3: Match the size to an adjustable range

Adjustable collars list a range, such as 12 to 18 inches. Your measured number should sit inside that range with room to spare, not right at the top edge. If your dog falls between sizes, size down for a full-grown dog so there is no excess strap, and size up for a growing puppy to leave room.

Step 4: Choose the right type

The most common everyday choice is a flat collar with a buckle, which suits most dogs for walks and holding ID tags. Other types serve specific needs: martingale collars give gentle control for dogs that back out of flat collars, and harnesses take pressure off the neck for pullers or small breeds. If your dog walks in the dark, consider adding a clip-on light or a reflective option for visibility.

Step 5: Consider the material

Nylon is light, affordable, and easy to clean, which makes it a practical everyday material. Leather is durable and ages well but costs more. Whatever the material, check the buckle and stitching, since those are what actually keep the collar on. A thick coat or seasonal weight changes can shift your dog up a size, so re-check the fit now and then.

Common fitting mistakes

• Measuring too high, near the jaw, instead of at the base of the neck.
• Pulling the tape too tight and buying a collar that ends up snug.
• Guessing from breed alone instead of measuring.
• Choosing a size that sits at the very end of the adjustable range with no room left.

Where to find a collar

Once you know the size and type you need, you can browse the current inventory on MICYN. The paw-print dog collar available on MICYN comes in red or black and is made for medium to large dogs, which is a good example of an everyday flat collar in nylon.