Vial Cap | TPU Vial Covers for 3ml Vials

3ml Vial Cap | Flexible TPU Stopper Cover

Protect What's Inside. Meet The Cap — a flexible TPU-printed vial cover designed to fit snugly over the top of standard 3ml vials. 3D printed locally in Centurion, South Africa, this cover protects the delicate rubber stopper from dust, debris, and damage between uses.

💡 Pro Tip: Add a 12-Pack to any Warrior order to unlock free delivery (all orders over R1,250 ship free).

Key Protection Features

• Flexible TPU Construction: Manufactured from Thermoplastic Polyurethane (TPU), it is soft enough to press fit securely, yet durable enough to withstand daily use.
• Total Stopper Protection: Keeps your rubber stoppers clean and shielded between injections, ensuring your protocol remains hygienic.
• Profile Options: Choose between smooth Round or grip-friendly Hexagon profiles.

Specifications & Pack Sizes

• Compatibility: Precision-engineered for standard 3ml vials (16.5mm diameter).
• Bundle Options: Available in cost-effective 6-Packs or 12-Packs.
• Profile Shapes: Round or Hexagon.
• Colourways: Currently available in Red — more colourways coming soon!

Frequently Asked Questions

Is this cap hard plastic or soft?
It is printed using flexible TPU, which acts like a tough rubber. It is flexible enough to press on and pull off cleanly, but rigid enough to stay exactly where you put it without cracking.

Will this fit my 10ml vials?
No, this specific cap is engineered exclusively for standard 3ml vials with a 16.5mm diameter.

⚠ Please note: Vials are not included — cover only.