Demon Slayer Butterfly Knives

6 products

  • Rengoku Red Nichirin Butterfly Knife - Demon Slayer (Metal)
    Out of Stock
    Email When Available

    Rengoku Red Nichirin Butterfly Knife - Demon Slayer (Metal)

    $34.99 USD
    $34.99 USD
  • Kokushibo's Demon Eye Butterfly Knife - Demon Slayer (Metal)

    Kokushibo's Demon Eye Butterfly Knife - Demon Slayer (Metal)

    $34.99 USD
    $34.99 USD
  • Tanjiro Black Nichirin Butterfly Knife 1

    Tanjiro Kamado Black Nichirin Butterfly Knife - Demon Slayer (Metal)

    $34.99 USD
    $34.99 USD
  • Tanjiro's new Nichirin Butterfly Knife - Demon Slayer

    Tanjiro's new Nichirin Butterfly Knife - Demon Slayer

    $34.99 USD
    $34.99 USD
  • Mitsuri Kanroji's Butterfly Knife - Demon Slayer (Metal)

    Mitsuri Kanroji's Butterfly Knife - Demon Slayer (Metal)

    $34.99 USD
    $34.99 USD
  • Zenitsu's Nichirin Butterfly Knife 1

    Zenitsu's Nichirin Butterfly Knife - Demon Slayer (Metal)

    $34.99 USD
    $34.99 USD

Description

Inspired by a popular anime series, our butterfly knife replicas bring character-accurate design and collectible appeal together in one sleek package. These balisong-style replicas are modeled after the unique look and aesthetics of fan-favorite characters.

Whether you want to showcase them in a display case or add them to a growing collection, each piece is crafted with 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?

Sword Slice is a replica sword store built for fans of anime, games, movies and TV. Here is what you can expect when you shop with us.

  • Replicas from the series you love

    Our catalog covers weapons from anime, games, movies and TV, from Demon Slayer katanas to Dungeon Ascension daggers, so you can find the exact blade you have been looking for.

  • Options for every budget

    Choose from metal, LED and foam builds, from mini keychain knives to full-size display swords. Filters for price, blade type and steel type help you narrow it down fast.

  • Clear product details

    Each listing includes a full description, specifications and features, with sharp and dull blade options labeled, so you know what you are getting before you order.

  • Shipping with tracking

    Orders usually process in 2 to 4 business days, and U.S. delivery typically takes 3 to 7 business days after that. Tracking is provided on every order.

  • Returns and secure checkout

    New, unopened items can be returned within 14 days with prior authorization. Pay with major cards, PayPal, Venmo or Google Pay, or split larger orders with Sezzle.

  • Help when you need it

    Not sure which replica fits your collection? Email info@swordslice.com and our team will help you choose.

Frequently Asked Questions

What are these anime butterfly knife replicas designed for?

These replicas are designed for collecting and display, with character-inspired designs from your favorite series. Check each product listing to choose the style that fits your collection.

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.

What are these anime butterfly knife replicas made of?

These are metal replicas, not plastic props. Each design is inspired by characters from a popular anime series, giving your collection a detailed, fan-focused look.

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.