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Size
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Neck Girth
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Chest Girth
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Chest Length
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| XXS (MINI A) | 35cm-55cm | 33cm-49cm | 21cm-32cm |
| XS (MINI B) | 40cm-60cm | 40cm-58cm | 22cm-39cm |
| A | 43cm-64cm | 50cm-66cm | 23cm-32cm |
| B | 60cm-71cm | 55cm-80cm | 27cm-39cm |
| C | 65cm-91cm | 65cm-90cm | 28cm-40cm |
| D | 69cm-108cm | 70cm-108cm | 29cm-44cm |
Measure around the base of the neck where a collar would sit.
Measure around the widest part of the chest, just behind the front legs.
Measure from the base of the neck (where a collar sits) to just before the last rib.
The TRI-Harness® is designed to give dogs a safer, more comfortable walking experience without pulling, rubbing, or restricting movement. After listening to thousands of owners, we’ve combined our Mini and Standard versions into one complete size range, making it easier than ever to choose the perfect fit for your dog.
Built with a non-restrictive Y-shape, soft neoprene lining, and three strategically placed attachment points, this harness supports natural movement while giving owners full control. Whether you’re training a puppy, managing a reactive dog, or simply want a more comfortable daily harness, the TRI-Harness® delivers reliable performance for every breed.
Trademark & Copyrighted Design Rights Number: 6189802
Overall rating: 4.8 / 5 from 66 reviews.
This harness was a real game changer for me should of bought one earlier I would highly recommend you give it a try worked for me at first my dog Mabel a 5 year old English bull terrier done her usual bully thing tried to get it off jumping around doing topical bully things but soon got used to it on our first walk I noticed she wasn’t pulling as much within 10 minutes she stopped pulling all together also Mabel gets excited when she see something of interest which ends in her pulling to get to it with this harness it was easier to control/redirect her and stop the pulling so far so good 10 walks in and she’s a different dog with this harness just got to see if it will last/survive a typical bull terrier
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Burgundy
Winston looks so Smart in his new personalised harness. its easy to put and and keeps him nicely secure. we have made a few purchases from BB and will definitely return again.
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Burgundy
I love this harness for Mabel. After using several different brands and styles, I have finally found a harness that ticks all the boxes. Firstly - it's escape proof! My dog is Houdini when it comes to getting out of harnesses, but this one, she cannot back out of. Secondly - minimal clips. Mabel hates the sounds of the clasps closing and some harnesses have 3 or 4, and each one she would flinch at. This harness goes over her head, and had one clip. Brilliant! Thirdly - great control. Mabel can be quite reactive to other dogs, and this harness helps me control her better. This is having a positive impact on her, as she is learning that she is safe and I have control over her. It makes it easier for me to walk her on and forget about other dogs. Combined with the slip collar, it is a complete game changer.
Bought this for my shar pei fits him well, looks great on him too. He walks well so far less pulling but with some training I’m sure he’ll be walking perfectly in no time 😁
Mildred looking tough in her harness
My older dog already has his Bullybillows set, so obviously, my 5 month old needs his as well. Both my dogs are staffy mixes, so they're incredibly strong. I won't put them in anything other than Bullybillows, especially the Tri harness. It's absolutely beautiful, and the quality is beyond wordly! They also look incredibly handsome 😍
Another 10/10 purchase. Quality is gorgeous -don’t hesitate to purchase !
I have a 4 year old staffy cross who has the dark blue Tri harness and matching collar, so my younger baby also needed his own set (just ordered his collar) He's 5 months old and looks so proud in his beautiful new harness! I absolutely swear by Bullybillows and won't have my dogs wear anything else! I cannot put into words how incredible the quality is, especially when you have strong dogs!
Nice products however it’s a little big on the neck but think the next size down would not fit her chest. Thanks
Wow! What a harness. (Size c) Super strong and fits beautifully with room to spare. I was struggling with my 4 month old male cane corso pulling and me not wanting to pull on his neck but this instantly gave me the leverage I needed. He threw a couple of decent tantrums getting used to the harness on day one but he is exquisitely stubborn. We live very rurally and don’t see many cars so when one did come past he would act up. With this harness and some tasty chicken, cars are now ignored.
Absolutely beautiful it’s strong and well made the colour is very vibrant I’ll be buying more definitely
Good
Arthur is a terribly reactive rescue dog and a strong puller. He’d also worked out how to slip his old, fabric harness from a different brand and escaped several times. BUT NOT ANY MORE! This harness is a game-changer. I’ve gone from being pulled around on walks like Santa on his sleigh to having both hands in my pocket 😍 Thanks Bully Billows!
Great harness, we now have two - one for each Rottweiler 🙂
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
Best quality harness sets I've found plus my dog looks stunning so win win worth every penny .
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
Amazing harness fits perfectly! Quality 10/10
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
This photo doesn't show the harness very well but it does show that he isn't pulling as much as he was in the Julius! It is adjustable and fits Duncan so well, although I would make a few minor changes, it is absolutely the best harness we have had for him. He seems comfortable, he is well controlled, it is so sturdy and well made. We love the multiple points you can clip a lead to and combined with the training lead they work so well in conjunction. Minor change would be for the middle to have a clip either side to fit round his waist, Duncan refuses to step through one leg and so we constantly have to rethread the middle to be able to clip him in. But I'm being very picky and really it's probably more that Dunc is awkward 😉
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
Really good quality and made a huge difference, not pulling as much!
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
Great harness, definitely helps when this kittle fella decides to try and take you for a walk!
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
Our puppy Cane Corso is growing incredibly quickly & we have been working our way through multiple other brand harnesses over the last 5 months. We have finally found a harness that is going to suit her into adulthood (size C). It's so adaptable, saving us a fortune on buying more harnesses, fitting her neck and chest perfectly, with the opportunity to adjust in all directions as she grows. Equally, it's very secure and robust - it feels comforting to know we have a harness we can trust to keep our little lady safe. The lead we bought to match is great too - super strong & comfortable to hold. A great purchase!!
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
My dog is an awkward size but this is a really good harness as all the parts are adjustable.The colour is stunning and have the matching lead and collar. He is very happy wearing it. It occasionally slips slightly to one side but never enough to ever hinder his movement and this maybe his awkward size again!
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
He still pulls on occasion but obviously much better
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
Excellent harness, adjustable and a very good fit. Very comfy and safe for my dog. Looks really smart. Durable.
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
Great harness! Dries quickly, easy to put on, adjusts to suit nicely and is very neat. Great for our strong little lady!
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
Extremely great choice to choose from for all types of needs ie. Pulling etc. Sizes to suit all, my boy is a funny size and I was so happy to find his size! The quality is excellent, you can literally feel the quality. Love the range of colours. The dispatch and delivery is super quick i was gobsmacked how quick i revieved mine. My harness came in extremely well packaged box which was a beautiful logo box. Will never buy from anywhere else again, nor will I ever recommend anywhere to anyone but Bully Billows. My boy is seen here in the size C.
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
We love this harness! It is very sturdy and I feel confident walking my girl in it. I also got the matching traffic handle which is a god send when you just need a little additional control around triggers.
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
My lurcher pup is very excitable and will leap in the air and pull. The anti pull harness is brilliant and she is now walking far better and calmly. The double ended training lead is great. When walking I use it on the front ring of the harness and on the first ring on the back of the harness and the difference in her is amazing. I love that I can unclip this lead from the front ring on the harness and she can then have a good sniff around with the freedom it gives. Thank you for such fantastic designs and quality
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
Absolutely love this harness on my Great Dane pup! He also has the burgundy combat collar and leash. Absolutely amazing! He's in his fear stage now which makes him nervous around new people and dogs and having this gear has definitely helped!
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
Great harness, fits very well. Easy to adjust to a perfect size. We’ve got size A. The straps are quite thick compared to other brands we own, but it all stays in place and she seems comfortable. Would recommend:)
TRI-Harness® | Anti-Pull, Adjustable & Durable - Dog Trainers Choice - Burgundy v2.0
Since purchasing the anti pull TRI harness are beautiful 24kg Staffordshire Bull Terrier, Ronnie, has completely stopped pulling on his lead. It’s been an absolute game changer for me and for him. I would recommend this harness in a heart beat. It’s really well made and comfortable for Ronnie to wear and achieves exactly what it promises. Give it a go.
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Burgundy
It's a little big for the one we bought it for but it fits one of our other dogs perfectly. Well made and a lovely colour will be getting all of ours new harnesses soon
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Burgundy
Have a 9mth staffy Roxy she loves it also have a lot better control of her now very impressed very happy with it and build quality is excellent
We got these harness’s for two of our German pointers and a border terrier, they are fantastic best harness I’ve ever used , the staff are very helpful too
It works great when used with back clips but the front clip and the size of my dog is not the greatest. The harness is great but not what it was intended for, just because of the size of my girl
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Burgundy
Fabulous harness and this is the 3rd Ive had for Tilly. One improvement could be to have the clasp made of metal instead of plastic as I've had 2 where the male end has had one of the prongs snap as they can get brittle. Ceetainly help to stop my bullys pulling when clipped on the front. And they look lovely on.
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Burgundy
Quick delivery, reasonable prices. Sturdy collars and leads.
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Burgundy
Really lovely harness, strong & good quality & looks good on our Rottie Bert. Would highly recommend, excellent delivery too 🌟🐾
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Burgundy
I was very pleased to see that BullyBillows now had a new harness with the correct placement of the chest ring. Previous designs i had seen had it placed incorrectly. I thought it was a nice design and good quality but very heavy and thick. Suitable for large breeds.
Anti-Pull TRI-Harness® | Training Dog Harness for All Breeds - Burgundy
Very happy with purchase. Thank you.
Very strong, great quality. Can’t wait to try this.
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