Demon Slayer Zenitsu Agatsuma yellow and orange triangle harness with matching leash beside Zenitsu character art by Pawsonify

Demon Slayer pet harness size chart with neck and chest measurements for sizes XXS to XL by Pawsonify

Corgi wearing the yellow and orange Demon Slayer Zenitsu Agatsuma harness in size medium with matching leash by Pawsonify

Golden British Shorthair cat wearing the yellow and orange Demon Slayer Zenitsu Agatsuma harness in size XXS with matching leash by Pawsonify

Demon Slayer: Kimetsu no Yaiba

NewPre-Order

Zenitsu Agatsuma Harness

Name: Zenitsu Agatsuma Harness
Rating: 5.00 (17 reviews)

17 reviews

$35.00

Size:

Variant

Pre-Order: Ships on September 25, 2026

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Product Features

Crafted with durable neoprene fabric.
For our cat-loving fans, we recommend XXS for cats up to 10 lbs and XS for cats 10 lbs and over.
For dog sizing, we recommend checking our size chart for detailed guidance.

Let your pet channel Zenitsu Agatsuma’s electrifying energy with this Demon Slayer: Kimetsu no Yaiba Zenitsu pet harness. Inspired by his iconic yellow haori with bold triangle pattern, this anime-inspired harness is crafted for comfort, durability, and eye-catching style. Designed for cats and dogs, it’s perfect for pets who balance sudden bravery with a little chaos—ready to show off their Demon Slayer pride on walks, outings, and convention days.

Care Instructions

Spot clean with cold water and mild, pet-safe detergent (free and clear formulas recommended). Lay flat to dry.

Shipping & Returns

Orders are processed and shipped within 1 business day. We're at Anime NYC (Booth 237) from August 20-23, orders placed during the show will ship once we're back at the studio. We will resume shipping on Tuesday, August 25. Orders within the US usually arrive in 2-5 business days.

For further information, please consult our Shipping Policies section.

Returns & Exchanges

We accept returns and exchanges within 30 days of delivery.

View Returns & Exchange Details

How-To Videos

How-To: Measuring for Harnesses
How to measure, put on, and adjust our harnesses.

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Zenitsu Agatsuma Harness

For Cats & Dogs

5 stars: 17 (100%)
4 stars: 0 (0%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 0 (0%)

This product has no reviews of its own. The merchant grouped it with related products, so the reviews shown are from across that group.

Absolutely love the

Absolutely love the design

Absolutely love the

Absolutely love the design

Love!!

Love!!

Let's walk and slay some demons

Who doesn't love a great leash when walking your furbaby. The fabric is soft to the touch and a great attachment to the poop bag dispenser. Highly recommend

Cute accessories

I love Nezuko patterns so much that I had to buy the bundle. The collar fits perfectly and there was no damage.

It time to clean

I love how everything matches! Such a adorable bag dispenser. I love the idea that you can attach the bag dispenser onto the leash.

Slay Walking

Such a gorgeous harness! No damages and very spot clean. She absolutely loves it.

Cute kimono

I love Nezuko kimono as a pet name tag. It is big and the writing on the tag is clear. Highly recommend

Quality Product and Active Communication

Absolutely love these Demon Slayer dog collar and tag sets! The quality exceeded my expectations, and the attention to detail is fantastic. I especially chose the Zenitsu version with the Shinto shrine charm, and it’s such a cute, tasteful nod to Japanese culture without feeling overdone. It has a really authentic aesthetic that stands out from other anime pet accessories.

I was aware there would be some production and shipping delays because of Anime Expo, and the seller did a great job keeping everyone updated throughout the process. Since I knew what to expect, it wasn’t an issue at all. The finished product was definitely worth the wait, and I couldn’t be happier with how it turned out.

Sonny! This review honestly made our day 😭 We put a lot of thought into the details on the pet tags so hearing you picked up on that is everything. And thank you for being so understanding about the pre-order timeline, we really did try to step it up with communication this round. So glad it landed well! ⚡

Demon Slayer Bundle (Inosuke Bundle)

Worth the wait. Great quality. Love it! Yuki looks adorable with his new gear.

Yuki!! 😭 We're so glad the Inosuke merch was worth the wait. Also this is literally our first ever Demon Slayer review and Yuki is the perfect way to kick it off. He looks incredible!!

Everything was so cute and great quality ! Everything was well communicated and informed with pre order dates & shipping.

GREAT quality and looks great on the pup!

Looks amazing on the collar and looks crisp and clean

Everything fits perfectly and looks so cute on them! I’m so glad I bought it all, definitely worth the wait!

Love the design

Questions about this product

Are the harnesses adjustable to fit pets with unique body shapes?

Yes, our harnesses are fully adjustable, making it easy to achieve a secure and comfortable fit for pets with unique body shapes. The adjustable straps also accommodate growth, but as your pet reaches their full size, you may need to size up to maintain their comfort.

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How do I adjust the harness to fit my pet?

To adjust the harness:

Locate the adjustment sliders on the straps.
Slide the straps through the sliders to loosen or tighten the fit as needed.
Check the fit to ensure it’s snug but comfortable—there should be enough room to fit two fingers between the harness and your pet.

This ensures a secure and comfortable fit for your pet’s adventures!

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How do I choose the right size harness for my pet?

For Dog Sizing, we recommend checking our harness size charts for detailed guidance.

For our cat-loving fans, we recommend XXS for cats up to 10 lbs and XS for cats 10 lbs and over.
And trust us - our employee has a 22 lbs cat, he wears our XS~!

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How do I clean and maintain the harness to ensure it lasts?

Spot clean with cold water and mild, pet-safe detergent (free and clear formulas recommended). Lay flat to dry.

Avoid machine washing or tumble drying — the designs are sublimation-printed, and harsh cycles or heat can affect the print and hardware.

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How do I properly put the harness on my pet?

Putting the harness on your pet is simple:

Unbuckle the harness and lay it open.
Place the harness over your pet’s head so the front loop sits comfortably on their chest.
Adjust the straps around their body and secure the buckle.
Check the fit to ensure it’s snug but not too tight—allow room for two fingers to fit between the harness and your pet.

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How does this harness fit compared to other Pawsonify harnesses?

Most of our harnesses share the same size chart, but small design differences mean some styles run a little roomier or snugger than others. If your pet is between sizes, use your chest-girth measurement and the size chart as your guide — and when in doubt, size up for comfort.

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Is this a step-in harness or does it go over the head?

Our harnesses go over the head rather than being step-in. You unbuckle and lay the harness open, slip the front loop over your pet's head so it rests on their chest, then fasten the adjustable side buckle and check the fit — snug, with room for two fingers.

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Is this harness safe for leash walking, or is it mainly for fashion?

Both — our harnesses are made for real, everyday leash walking, not just looks. Each has a secure leash attachment point and fully adjustable straps so you can get a comfortable, snug fit.

As with any harness, make sure it's properly adjusted (snug, with room for two fingers) before you head out, and keep an eye on strong pullers or escape-prone pets.

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Is this harness suitable for cats?

Yes! Many of our harnesses come in cat-friendly sizes — we recommend XXS for cats up to 10 lbs and XS for cats 10 lbs and over (one of our team's 22 lb cats happily wears an XS).

Check the size dropdown and harness size chart to confirm the right fit.

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What's the difference between a collar and a harness — which is better for my pet?

A collar sits around your pet's neck and is great for holding ID tags and everyday wear. A harness spreads pressure across the chest and shoulders, which is gentler for walks — especially for pullers, small breeds, flat-faced dogs, and cats.

Many pet parents use a collar for ID and a harness for walking. If your pet pulls or has a delicate throat, a harness is the safer choice for leashed walks.

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Officially Licensed

Show your love for your favorite series with our officially licensed merch!

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Returns & Exchanges accepted within 30 days of delivery on eligible items.

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We ship within 1-2 business days! Orders are shipped with USPS, DHL, or UPS.

Zenitsu Agatsuma Harness

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