A Poucho case is easily activated with just water. These handy cooling wallets for people with diabetes are shipped from the USA by Medicool.Keep your insulin safe without refrigeration! Duo-Pen for one or two pens, Large for pens and bottles.

• Keeps insulin bottles or pens safe without refrigeration.
• Medicool's Poucho® wallets activate with tap-water in just forty seconds.
• Poucho®'s patented fabric technology keeps insulin cool using evaporation.
• Can be re-activated hundreds of times.
• Activation lasts up to 4 days.
• Quick and simple to use.
• Great for active travelers.