Demon Slayer Butterfly Knives

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Description

Inspired by Demon Slayer: Kimetsu no Yaiba, our butterfly knife replicas bring anime accuracy and functional design together in one sleek package. These balisongs are modeled after the unique weapons and aesthetics of fan-favorite characters, delivering both collectible appeal and everyday utility. Whether you’re looking to showcase them in a display case or practice flipping techniques, each knife is crafted with high-quality materials, smooth pivots, and attention to detail.

Demon Slayer Knives Collection

Our Demon Slayer Butterfly Knife Collection brings the essence of your favorite characters into the palm of your hand. Each knife is designed to reflect the signature colors and personalities of iconic Demon Slayer heroes. From Shinobu Kocho’s elegant purple and black design, to Tanjiro Kamado’s green-and-black checkered motif, and Inosuke Hashibira’s wild boar-inspired blade, every balisong is a tribute to the Nichirin swords seen in the anime. We also feature Zenitsu Agatsuma’s lightning-yellow blade, styled to match his Thunder Breathing energy. Whether you’re a flipper, collector, or cosplayer, these knives let you carry a piece of the Demon Slayer Corps wherever you go.

Why Choose Sword Slice?

At Sword Slice, we’re more than just a katana store — we’re a community built around craftsmanship, authenticity, and passion for blades. Here’s why we stand out as your go-to source for high-quality katanas

Authentic Craftsmanship

Each katana we offer is forged with attention to detail, reflecting traditional methods and superior craftsmanship. Whether you're a collector, martial artist, or enthusiast, you’ll find blades that are almost exact replicas.

Wide Selection

From carbon steel practice swords to premium folded steel katanas, we stock a variety to match all budgets and needs. Our catalog is constantly updated with new arrivals and limited editions.

Quality You Can Trust

We source our swords from trusted bladesmiths who use durable materials, tested for performance and edge retention. Every katana goes through quality checks before it reaches your door.

Clear, Honest Pricing

No inflated markups. No gimmicks. Just fair prices on all products, with transparent descriptions so you know exactly what you're getting.

Customer-Focused Service

We're committed to a smooth shopping experience. Our customer support is responsive and knowledgeable — here to help you pick the right sword or handle any concerns.

Fast, Secure Shipping

We ensure your order arrives safely and quickly, with reliable shipping partners and protective packaging for every sword.
Join thousands of satisfied customers and experience the Sword Slice difference. Whether it’s your first katana or your fiftieth, we’re here to help you slice through the noise and find the perfect blade.

Frequently Asked Questions

Are these Demon Slayer butterfly knives sharp?

We offer both sharp and trainer (dull) versions. Sharp models feature real edges for experienced collectors, while trainer knives are perfect for safe flipping and display. Be sure to choose the one that fits your intended use.

Do these butterfly knives match the characters’ in Demon Slayerdesigns?

Yes, each Demon Slayer butterfly knife is color-matched and themed after a specific character. From Shinobu’s purple detailing to Tanjiro’s checkerboard green, every knife reflects the essence of its corresponding hero.

Do you sell Nezuko designs in your Demon Slayer knives collection?

We occasionally release a Nezuko-themed butterfly knife with pink and bamboo-style aesthetics, perfect for matching Tanjiro’s blade. It’s a fan-favorite among those who love her elegant yet fierce presence.

What size are the Demon Slayer butterfly knives?

Most of our Demon Slayer butterfly knives are between 8 to 9 inches fully opened and 4.5 to 5 inches closed. They’re standard-sized balisongs, easy to flip, display, or carry in a safe trainer form.

Are these Demon Slayer knives real butterfly knives?

Yes! These are real balisongs made from steel, not plastic props. Trainer versions feature dull edges, while sharp versions are fully functional. All designs are inspired by Demon Slayer characters for an anime-meets-utility feel.

Do you ship your Demon Slayer butterfly knives internationally?

Yes, we offer international shipping for all of our anime butterfly knives. Please check your local laws before ordering, especially regarding balisongs, as they may be restricted in some countries or regions.

Are these Demon Slayer butterfly knives good for fidgeting?

Trainer butterfly knives are often used as fidget tools by anime fans. They provide smooth, repeatable motion that’s satisfying and safe. They're a great way to relieve stress while repping your favorite Demon Slayer character.

Do you have Zenitsu Demon Slayer butterfly knives?

Yes! Our Zenitsu knife design features a yellow handle with lightning-style accents to match his Thunder Breathing theme. It’s bright, energetic, and great for fans who want to train like the flashiest swordsman in the series.

Do these Demon Slayer butterfly knives come with a case?

Some Demon Slayer butterfly knives include a storage sleeve or box. Always check the product description. We recommend storing your knife safely in a padded case or sheath to protect the finish and maintain longevity.

Are the handles on these Demon Slayer butterfly knives balanced for flipping?

Yes. Our Demon Slayer butterfly knives are designed with balanced handles and pivot points for easy flipping. Trainer models are especially tuned for smooth motion and beginner-friendly handling while maintaining durability.