Holiday

Found two for you that may be of use:

https://www.diabetes.co.uk/shop/medicool-penplus

https://www.amazon.co.uk/Frio-Insulin-Wallet-Large-Blue/dp/B001LNWELI

Second looks a bit flimsy, but I've used both stores without any issue in the past. What I would say, though, is that I think that stock sold by this site's own shop has probably been tested or recommended by other people with diabetes - they don't sell flimsy junk. On Amazon, I think you have to read the reviews and take your chances, really.

Hope that helps!

Look no further than a Frio wallet for this. My DSN recommended one before a holiday earlier this year and it worked marvellously!

I have a Duo and it keeps 2 pens cool for days before needing a top up with water.