Cute Stickers and Clothing etc. Australian Website
I have stumbled across this site, it is Australian so for all of the Aussies out there but they may ship around the world, I'm not sure, they will probably have that on their website.
Star Allergy Alerts
They have stickers, tshirts and epipen pouches and some other things (can't remember off hand), I'm 37 and have had my PA all my life and I got my epipen pouch from them as they are childrens designs but some are ok for adults. All my friends who have children with allergies go to this site for their stickers, they are really cute and a really good idea, I think