20% off storewide · 7-day returns
Peptide Knight CasesPEPTIDE KNIGHTCASES & ORGANIZERS Your bag
SMALL-BATCH CASES. BIG PERSONALITY.

Your vials.
Their armor.

Peptide vial storage cases for 3mL, 5mL and 10mL vials. Choose your layout, organize your collection, and find a finish that feels like you.

Find your case Start with the fit guide ↗
An independent maker in Illinois. On Etsy since 2024.
Deep Rainbow Peptide Knight case with vial slots, syringe compartment and lid ice pack
THE COLD TRAVEL CASEYour collection, ready to go.
Colors with personality A fit for your collection $5.99 shipping across the US
CHOOSE YOUR ARMOR

Three ways to organize your vials.

Need help choosing? ↗

3 collections ·$5.99 shipping per US order

Carbon Collection by Peptide Knight CasesSignature cases

Carbon Collection

15 × 3mL · $18.39$22.9920% off

A clean exterior.

Choose your configuration →
Color Collection by Peptide Knight CasesEveryday cases

Color Collection

15 × 3mL · $18.39$22.9920% off

Make your collection easy to recognize.

Choose your configuration →
Cold Travel Case by Peptide Knight CasesTravel cases

Cold Travel Case

From $37.59$46.9920% off

Keep your vials organized on the move with a dedicated ice-pack compartment and an included ice pack.

Choose your configuration →

Browse all cases & accessories

THE RIGHT FIT COMES FIRST

3mL, 5mL or 10mL?
Start with your vial size.

Identify your vial size from the label or supplier details, then choose a matching configuration. Our guide explains what to check.

Find your fit
BEHIND THE ARMOR

Small business.
Personal touches.

Peptide Knight Cases started on Etsy in 2024. From Galactic Blue to Purple Knight, our cases bring color and character to a more organized collection.

Meet Peptide Knight ↗

Choose your case, personalize your finish, and order directly from the maker.