Collars for small dogs
A collar built for a small dog needs to be genuinely narrower and lighter than a scaled-down large-dog collar, with a fastening that is secure without adding unnecessary bulk or weight around a small neck. Below is what actually matters for fit and fastening, and the range we stock.
Why width and weight matter more on a small dog
A collar width that is barely noticeable on a large dog can feel disproportionately heavy or wide on a small breed, sitting oddly against a narrower neck and shorter coat. Collars designed specifically for small dogs are typically narrower in width and lighter in the materials and hardware used, which sits more comfortably and looks better proportioned.
This matters for comfort during everyday wear as much as for walking, since a collar is worn far more hours than it is actively used for a lead attachment. A collar that constantly shifts, rubs, or feels heavy is a welfare issue as well as a nuisance.
Getting the fit right
The standard check is two fingers fitting comfortably flat underneath the collar when it is fastened — snug enough that it will not slip over the head, loose enough not to press on the throat. Small dogs and puppies can change size relatively quickly, so it is worth rechecking the fit every few weeks rather than assuming it will hold.
Adjustable collars with a reasonable range of sizing are particularly useful for growing puppies or breeds prone to some seasonal coat and weight variation, since they avoid needing a replacement every time the fit shifts slightly.
Fastening types worth knowing about
Buckle fastenings are the traditional, reliable choice and tend to be simple to check by feel. Clip or side-release fastenings are quick to put on and take off, which some owners prefer for a dog who is handled frequently, though it is worth checking the clip holds securely and does not pop open under a firm tug.
Breakaway or safety fastenings, which release under strong pressure, are worth considering for a small dog who might get a collar caught on something, since they reduce the risk of choking in that specific situation — though they are generally not meant to be relied on for lead walking, where a harness is often the safer choice for pulling.
What we stock
Everything below is in stock with us, priced with delivery worked out, and packed and posted by hand in the UK.
Red Dingo Design Dog Collar
Red Dingo Design Dog Collar in 28 designs, sizes XS to Large. Hard-wearing, comfortable and finished with solid hardware — and, like all Red Dingo gear, covered by their 5-year guarantee.
From£9.49
Red Dingo Classic Dog Collar
Red Dingo Classic Dog Collar in 18 colours, sizes XS to Large. Hard-wearing, comfortable and finished with solid hardware — and, like all Red Dingo gear, covered by their 5-year guarantee.
From£10.99
Kingdom Pet Cooling Collar
A fridge-cooled collar that keeps a dog cool for up to 4 hours on hot walks
From£3.99
Red Dingo Reflective Bones Dog Collar
Red Dingo Reflective Bones Dog Collar in five colours, sizes XS to Large. Hard-wearing, comfortable and finished with solid hardware — and, like all Red Dingo gear, covered by their 5-year guarantee.
From£12.99
Ancol Collar Soho Star
Ancol's Soho star-print dog collar in recycled fabric, adjustable, in Small, Medium and Large, with a matching lead available.
£7.49
Walk R Cise Reflecta a Collar
A hi-vis orange collar with reflective strips, made in three sizes for any breed
From£4.59
Ancol Magnetic Lock Collar
A magnetic-clasp dog collar, medium size, for one-handed fastening at the door
From£11.49
Halti Collar
The Halti collar: nylon webbing with a neoprene lining and reflective weave, a clip fastening, metal D-ring and separate tag loop.
From£7.99
Red Dingo Classic Half Check Martingale Dog Collar
Red Dingo Classic Half Check Martingale Dog Collar in two colours, sizes Small to Large. Hard-wearing, comfortable and finished with solid hardware — and, like all Red Dingo gear, covered by their 5-year guarantee.
From£12.99
Small Bite Ancol Teddy Collar Sage
A padded teddy-fleece dog collar for small breeds and puppies, sized 20-30cm
From£7.99
Ancol So Ho Bee Collar Small
A UK-made recycled dog collar with a hand-drawn bee print, sized 20-30cm
£7.29
Common questions
- How do I know if a collar fits my small dog properly?
- Fasten it and check that two fingers fit comfortably flat underneath — snug enough not to slip over the head, loose enough that it does not press on the throat. Recheck this every few weeks for a growing puppy, since the right fit can change quickly.
- Are narrower collars better for small dogs?
- Generally, yes. A narrower, lighter collar sits more comfortably on a small dog's neck than a scaled-down version of a large-dog collar, both for everyday wear and for how it sits against a shorter coat.
- Should I use a harness instead of a collar for a small dog?
- Many owners use a harness for walking and lead attachment, particularly for breeds prone to tracheal sensitivity, while keeping a collar for identification tags. This is a matter of what suits your individual dog, and a vet or trainer can advise if your dog has a specific health consideration.
- What is a breakaway collar and does my small dog need one?
- A breakaway collar releases under strong pressure, reducing the risk of choking if the collar gets caught on something, which can suit a small dog who spends time somewhere with a real snagging risk. It is generally not meant for lead walking, where a harness is often the more suitable choice.
Related
Written by Matt Garnett, who runs Giddy Pets and is a lifelong pet owner — not a vet. This is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your animal. How we write these guides.