Jess Calloway 17 min read 
A store-bought dog bandana either hangs too loose and slides off or bunches up around the collar and looks like a crumpled napkin. The fix is making one yourself, sized to your actual dog.
You do not need a sewing machine, and you do not need sewing experience. The whole project takes about fifteen minutes once you know the neck measurement, and the materials cost less than a single ready-made bandana from a pet store.
This guide covers measuring, cutting, sewing (or skipping sewing), and adding a collar slot so it stays on all day. If you enjoy this kind of project, the DIY dog toys guide covers more scrap-fabric ideas.
This guide goes from measuring your dog through cutting, sewing or no-sew options, adding a collar slot, and checking the fit.
You do not have to read top to bottom. Pick the situation that matches where you are right now.
Every bandana project starts with the neck measurement. Use a soft fabric measuring tape, not a rigid ruler. Wrap it around the base of the neck where the collar normally sits, then add two finger-widths of ease so the finished bandana is not snug.
Write the number down. You will use it to calculate the square you cut in the next section.
Here is a quick reference for converting neck circumference to fabric square size:
| Dog size | Neck range | Square to cut |
|---|---|---|
| Small (under 14 in / 36 cm) | 10–14 in | 14 × 14 in (36 × 36 cm) |
| Medium (14–20 in / 36–51 cm) | 14–20 in | 21 × 21 in (53 × 53 cm) |
| Large (20–26 in / 51–66 cm) | 20–26 in | 28 × 28 in (71 × 71 cm) |
| Extra large (over 26 in / 66 cm) | 26+ in | 32 × 32 in (81 × 81 cm) |
The formula is simple: the long edge of the folded triangle needs to be roughly 1.5 times the neck measurement. Cutting a square and folding it on the diagonal gives you that ratio automatically.
If you are between sizes, go with the larger square. You can always fold the top edge down to shorten the bandana, but you cannot add fabric back.
Quilting cotton is the easiest fabric to work with for a first bandana. It holds a fold, feeds through a sewing machine without bunching, and comes in hundreds of prints at any craft store.
For warmer months, stick with lightweight cotton or cotton-linen blends. Both breathe well and dry fast after a drool-heavy walk. For fall and winter, flannel adds a little warmth without making the bandana stiff.
Avoid the following:
Pre-wash the fabric before cutting. Cotton shrinks anywhere from three to five percent on the first wash, and cutting before washing means the finished bandana will shrink unevenly after its first trip through the machine.
One fat quarter from a quilt shop (18 × 22 inches) is enough for a small or medium bandana. For a large or extra-large dog, buy a half yard.
Lay the pre-washed fabric right side up on a flat surface. Use the size chart from the first section to determine the square dimensions for your dog.
Mark the square with tailor's chalk or a washable fabric marker, then cut along the lines with sharp fabric shears. Dull scissors will chew the edge and leave frayed threads that unravel faster.
Fold the square in half on the diagonal to create a triangle. The long folded edge is the top that sits against the neck. The point hangs down at the chest.
Two methods from here:
For a first project, the double-layer fold is faster because you skip hemming the longest edge entirely. If you want a thinner, lighter bandana for summer, cut the triangle and finish the edges with the sewing or no-sew method below.
If you cut a single-layer triangle, all three edges are raw and need finishing. If you used the double-layer fold, only the two shorter open edges need hemming.
Set up your sewing machine with a straight stitch, stitch length around 2.5 mm, and thread that matches or coordinates with the fabric.
Follow these steps:
Backstitch at the start and end of each seam to lock the stitches. Clip the thread tails close to the fabric.
The entire hemming process takes about five to eight minutes on a machine. Hand sewing with a simple running stitch works too but takes closer to twenty minutes.
If you want closures instead of tying, sew a snap or a strip of sew-on hook-and-loop tape at the two ends of the long edge. This lets you wrap the bandana around the neck and snap it shut instead of knotting it. For dogs who like to scratch at knots, snaps are worth the extra minute.
Skip any one of these and the bandana either does not fit, falls apart, or ends up in the trash after one wash.
No sewing machine and no interest in hand stitching is not a problem. Fusible hem tape (also called iron-on hem tape or bonding web) creates a permanent bond when you press it with a hot iron.
You will need:
Here is the process:
Work your way around all raw edges. Let the bandana cool flat for a minute before handling it.
The bond from fusible tape holds up to machine washing on a warm cycle. Avoid the hot dryer setting for the first few washes to let the adhesive fully cure.
If a section peels up later, just cut a new strip of tape, tuck it under, and press again. It takes thirty seconds.
A tied bandana works fine for a calm indoor photo, but it will shift, bunch, or fall off entirely on a walk. The collar-slot method solves this by turning the top edge of the bandana into a tunnel that the collar threads through.
Here is how to make it:
The bandana now hangs from the collar and cannot slide off over the head. It also sits in the same position every time, centered at the chest, without you having to adjust it.
This is the method used by most bandana sellers on Etsy and at craft fairs. It takes less than two minutes to add and makes every bandana dramatically more practical.
For dogs who wear a harness instead of a collar on walks, make the channel wide enough to fit the harness chest strap. Measure the strap width and add a half inch of ease.
Put the bandana on your dog using whichever method you chose — tied, snapped, or threaded onto the collar — and check these three things:
If you used snaps or hook-and-loop tape, verify they hold when the dog shakes. A vigorous full-body shake is the real stress test — if the closure survives that, it will survive a walk.
For the first bath after wearing the bandana, check whether the fabric left any dye on light-colored fur. Most quilting cotton is colorfast, but cheaper prints sometimes bleed on the first wet contact. If you see color transfer, wash the bandana two more times before using it again.
Machine wash bandanas on a warm cycle with a mild detergent. Skip fabric softener — it coats the fibers and reduces breathability, which matters when the bandana sits against skin and fur.
Dry flat or hang to dry. Cotton bandanas take about an hour to air dry indoors. You can tumble dry on low heat, but high heat may shrink the fabric slightly and weaken fusible-tape bonds over time.
Iron on medium heat after drying to flatten any wrinkles. A crisp bandana looks noticeably better than a crumpled one, and pressing takes less than thirty seconds per bandana.
Storage tips that keep bandanas ready to grab:
Once you have the pattern dialed in, making a new bandana takes under ten minutes. Keep a few in rotation — one on the dog, one in the wash, and one waiting in the basket.
Seasonal fabrics (plaid for fall, holly print for December, pastels for spring) make easy gifts for other dog owners too. If your dog has Halloween costumes already, a matching bandana pulls the whole look together without adding bulk.
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Measure the neck at the collar line and check the size chart in the first section. Small dogs (under 14-inch neck) need a 14-inch square, medium dogs need 21 inches, large dogs need 28 inches, and extra-large dogs need 32 inches. When in doubt, go one size up and fold the top edge down to adjust.
A standard handkerchief is about 16 inches square, which fits most small to medium dogs. For larger dogs it will be too small and the point will barely reach the chest. The fabric is usually cotton, so the material works fine, but you may still want to add a collar slot to keep it from sliding.
The collar-slot method described in section six is the most reliable fix. Threading the bandana onto the collar means it cannot slide over the head or untie during movement. Snaps and hook-and-loop closures are the next best option if you prefer a tie-on style.
A properly fitted cotton bandana is safe for all-day wear during supervised time. Remove it at night, during crate time, and anytime the dog is unsupervised for extended periods. The two-finger test confirms it is not too tight. Watch for excessive scratching, which could mean the fabric is irritating the skin or the fit needs adjusting.
Lightweight quilting cotton or cotton-linen blends breathe the best in warm weather. Avoid polyester blends and flannel in summer because both trap heat against the neck. If your dog runs hot, soak the bandana in cool water before putting it on for a brief cooling effect during walks.
Making a dog collar at home gives you full control over fit, material, and style. This guide walks through picking the right webbing, threading hardware, hand-sewing a box stitch that holds, and running the safety checks that matter before your dog wears it out the door.
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