Cyberpunk Knife - UV Reactive Blade | Glow Under Blacklight| Plastic Costume Dagger - Non‑Sharp, Kid‑Safe Prop
Cyberpunk Knife - UV Reactive Blade | Glow Under Blacklight| Plastic Costume Dagger - Non‑Sharp, Kid‑Safe Prop
Cyberpunk Knife - UV Reactive Blade | Glow Under Blacklight| Plastic Costume Dagger - Non‑Sharp, Kid‑Safe Prop
Cyberpunk Knife - UV Reactive Blade | Glow Under Blacklight| Plastic Costume Dagger - Non‑Sharp, Kid‑Safe Prop
Cyberpunk Knife - UV Reactive Blade | Glow Under Blacklight| Plastic Costume Dagger - Non‑Sharp, Kid‑Safe Prop
Cyberpunk Knife - UV Reactive Blade | Glow Under Blacklight| Plastic Costume Dagger - Non‑Sharp, Kid‑Safe Prop
Cyberpunk Knife - UV Reactive Blade | Glow Under Blacklight| Plastic Costume Dagger - Non‑Sharp, Kid‑Safe Prop
Cyberpunk Knife - UV Reactive Blade | Glow Under Blacklight| Plastic Costume Dagger - Non‑Sharp, Kid‑Safe Prop
Cyberpunk Knife - UV Reactive Blade | Glow Under Blacklight| Plastic Costume Dagger - Non‑Sharp, Kid‑Safe Prop
Cyberpunk Knife - UV Reactive Blade | Glow Under Blacklight| Plastic Costume Dagger - Non‑Sharp, Kid‑Safe Prop

Cyberpunk Knife - UV Reactive Blade | Glow Under Blacklight| Plastic Costume Dagger - Non‑Sharp, Kid‑Safe Prop


Regular price$24.99
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Shipping calculated at checkout.
  • Free shipping to US addresses
  • In stock, ready to ship
  • Backordered, shipping soon

The Cyberpunk Knife is a striking cosplay knife accessory designed to elevate your costume with its UV reactive blade that glows under blacklight. Crafted from premium cast acrylic, this blunt cosplay toy offers a safe yet visually impressive option for fans of futuristic and cyberpunk aesthetics. Whether you choose the Wraith Kunai Dagger, the Cyberpunk Karambit, or the Cyberpunk Dagger, each piece delivers unique style and vivid fluorescent acrylic blade effects that stand out in any UV light environment.

Each cyberpunk dagger and karambit blade replica has been precision engraved on one side to enhance its detailed design while maintaining lightweight durability. The blunt edges ensure safety during conventions or photo shoots, making it an ideal choice for both casual cosplayers and serious collectors. Tested for durability, these cosplay knife accessories come with a quality guarantee that ensures long-lasting performance through multiple uses.

  • “Not a real knife. No sharp edges.”

  • “Intended for costumes, cosplay, and play.”

Available sizes include:

- Kunai Dagger: 7 inches by 1.6 inches, perfect for quick-draw poses and close-up shots

- Karambit: 7 inches by 3 inches, offering a bold silhouette with curved blade design

- Blade: 9 inches by 1.4 inches, ideal for dramatic effect and display


Key features and benefits:

- Premium cast acrylic construction → lightweight yet sturdy for extended wear

- Fluorescent acrylic blade → glows vividly under UV light to enhance your cyberpunk look

- Blunt cosplay design → safe for conventions and photo sessions

- UV light reactive properties → create dynamic visual effects in dark or blacklight environments

- Single-sided engraving → sharp detailing that adds authenticity without compromising strength

- Multiple size options → find the perfect fit for your cosplay style

- Wraith Kunai Dagger variant → unique design inspired by futuristic themes


This collection of cyberpunk style blades is crafted specifically as cosplay knife accessories to bring your character to life without the risk of injury. The UV reactive blade technology ensures you’ll capture attention at night events or themed parties. Fans have praised the realistic appearance combined with safe blunt edges, making these replicas stand out in the cosplay community.


Upgrade your costume with these premium cast acrylic knives that glow under blacklight and embody the edgy spirit of cyberpunk culture. Whether wielding the karambit blade replica or the wraith kunai dagger, you’ll enjoy a blend of style, safety, and durability that only expertly made cosplay props can provide.

Processing Time

All of our items are handmade to order. Because each piece is crafted with care, please allow a few business days for production and packaging before your order ships.
If your order includes multiple items, they may require additional time depending on complexity.

Shipping Methods

Our default shipping method is USPS Ground Advantage, which typically delivers within 2–5 business days after dispatch.
Shipping upgrades (such as Priority Mail) are available at checkout if you need your order sooner.

Order Tracking

Every shipment includes tracking, which will be emailed to you as soon as your order leaves our studio. Tracking may take up to 24 hours to update within the USPS system.

Shipping Costs

Shipping rates are calculated at checkout based on USPS pricing and your delivery address. Upgraded shipping options will display automatically if available for your region.

Delivery Issues

Once a package is accepted by USPS, transit times and delivery are outside our control. If your tracking shows “Delivered” but you cannot locate your package, please:

  • Check with household members or neighbors
  • Look around porches, mailboxes, and alternate drop spots
  • Contact your local post office with your tracking number

If USPS is unable to assist, reach out to us and we’ll help however we can.

Incorrect Addresses

Please double‑check your shipping address at checkout. We are not responsible for delays or losses caused by incorrect or incomplete addresses. If you notice an error, contact us immediately — we can update the address only if the order has not yet shipped..

To see our refund policy go here.

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