Flexible TPU Vial Caps | 3mL 5mL 10mL 20mL 30mL | Reusable Protective Caps for Glass Vials

Flexible TPU Vial Caps | 3mL 5mL 10mL 20mL 30mL | Reusable Protective Caps for Glass Vials

White / 10 Small 3mL (14mm / 0.55")
$11.99
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Flexible TPU Vial Caps | 3mL 5mL 10mL 20mL 30mL | Reusable Protective Caps for Glass Vials

Flexible TPU Vial Caps | 3mL 5mL 10mL 20mL 30mL | Reusable Protective Caps for Glass Vials

$11.99

★★★★★ Trusted by vial users for organized storage, travel, and daily routines.

Hard-shell vial storage built to keep your routine organized at home, in the fridge, at the gym, or packed for travel.

Product details

Capacity:

  • Small — fits 3mL vials (14mm neck / 0.55")
  • Large — fits 5mL, 10mL, 20mL & 30mL vials (20mm neck / 0.78")

VialLock Flexible Vial Caps — REUSABLE & SECURE

Made for every vial size you actually use. Whether you're capping a 3mL peptide vial, a 10mL TRT vial, a 20mL bacteriostatic water vial, or a 30mL research vial — VialLock TPU caps snap on clean, stay put, and protect what's inside.

Soft, flexible TPU grips securely over the vial top without tearing or slipping. Peel off effortlessly when you need access. Reusable, fridge and freezer safe, and easy to clean between uses.

Key Features:

  • ✅ Premium TPU — flexible, durable, and tear-resistant
  • 🔒 Snug secure fit — works on 3mL, 5mL, 10mL, 20mL & 30mL vials
  • 🛡 Protects against dust, dirt, and handling exposure
  • ❄️ Fridge and freezer safe
  • ♻️ Reusable — hand wash and reapply
  • 🎨 Available in 7 colors + Mix assortment packs
  • ✈️ Lightweight and travel-ready

Size Guide:

  • Small (14mm) — fits standard 3mL vials. Verify your vial's neck OD before ordering.
  • Large (20mm) — fits standard 5mL, 10mL, 20mL, and 30mL vials including most research-grade multi-dose vials.

Select your size based on your vial's neck opening diameter. When in doubt, measure the outer diameter of the vial top before ordering.

Compatible With: GLP-1, peptide, TRT, insulin, and research vials with standard neck openings — including 3mL, 5mL, 10mL, 20mL, and 30mL sizes.

Care Instructions: Hand wash with mild soap and warm water. Allow to air dry before reuse. Do not boil or autoclave.

3D Printed Product Notice: VialLock caps are produced in small batches. Minor surface texture variation is normal and does not affect fit or performance.

VialLock caps are designed for storage and organizational use only. They are not a sterile seal and are not intended for medical or clinical use.

👉 Perfect for capping 3mL peptide vials, 10mL TRT vials, 20mL or 30mL research vials — keep every vial protected between uses.

Ships in 24 hours: Orders ship within 24 hours whenever possible.
Simple returns: Try VialLock with a straightforward return process.
Built for vial routines: Organized circular vial storage with no foam inserts.

ColorWhite
Size10 Small 3mL (14mm / 0.55")

Buy with confidence

Fast shipping, simple returns, real support

Shop with the same confidence you expect from a bigger brand: clear shipping expectations, a straightforward return process, secure checkout, and help choosing the right case.

1

Ships in 24 hours

Orders ship within 24 hours whenever possible, with delivery details shown at checkout.

2

Simple returns

A straightforward return process helps you shop with less risk if the case is not the right fit.

3

Sizing support

Need help choosing a capacity, color, or product format? Contact support before you order.

4

Secure checkout

Checkout is handled through Shopify with secure payment processing.

Why this case

Built for the vial routine you already have

Protect, organize, and carry your vials with a hard-shell case designed for everyday storage, travel, and quick access.

Benefit

Feel organized before you leave

Dedicated vial positions keep items separated, upright, and easy to identify.

Benefit

Travel with less worry

A rigid hinged body helps protect glass from loose-bag impact and daily handling.

Benefit

Choose the setup that fits

Multiple sizes and colors make it easier to match your routine, storage space, and style.

Feature

Hard-shell 3D printed body

Durable construction with a formed interior made to hold common vial formats.

Feature

Hinged, travel-ready design

A compact hinge-and-latch format keeps the case easy to open, close, pack, and store.

Feature

Made for daily repeat use

Simple geometry, visible organization, and a clean exterior support everyday use.

Why it works

Confidence you can feel in your hand

The essentials stay close to the buy button: what it does, how it fits your routine, when it ships, and what happens if it is not right for you.

Finally, a case that makes my vial setup feel organized instead of improvised.
VialLock customer
Size guide and fit

Check the selected product size and variant details before ordering. Use the product description for exact vial count and compatible vial format.

Shipping

Orders ship within 24 hours whenever possible. Shipping rates and delivery estimates are shown at checkout.

Returns and support

Review the return policy for timing and conditions. If something arrives wrong or damaged, contact support so we can help make it right.

FAQ and support

Have questions about vial count, sizing, colors, or use cases? Start here, then contact support if you need a hand choosing.

Customer support Help choosing the right vial case.
Designed for vial users Built around real storage routines.
Ships in 24 hours Orders ship quickly whenever possible.
Simple returns A straightforward return process for peace of mind.

Vial storage FAQs

Common questions about VialLock cases

What vial sizes fit this VialLock case?

VialLock cases are designed around common vial formats such as 3mL and 10mL. Always compare your vial dimensions with the product compatibility notes before ordering.

Can VialLock cases be used for refrigerator organization?

Yes. VialLock cases help keep vials grouped, visible, and organized inside refrigerator, drawer, cabinet, desk, home storage, and travel setups.

Are VialLock cases medical devices?

No. VialLock cases are storage and organization products only. They are not medical devices and are not intended to provide medical advice.

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