FRIO Cooling Cool Insulin Travel Wallet – Duo Pen Purple ( insulin cool up to 45 hrs without EVER needing refrigeration! )

Keeps Insulin or other medication cool and safe
Activated with only cold water (Tap Water). No refrigeration or ice packs needed
Light and compact. Can be used over and over
83 mm x 180 mm (3.5" x 7" approx)
Suitable for carrying various combinations of pens, vials and cartridges as follows: 2 standard sized insulin injection pen either pre-filled disposable or refillable; or 1 pen and 2 x 3 ml cartridges; or 1 pen and 3 x 1.5 ml cartridges; or 2 x 10 ml vials.