Piz Buin Sunband SPF 20 (50ml) £1 at pound land
Available in Orange,Bronze,Silver and Gold.
Just place it on your wrist or ankle and off you go, No bag or pocket needed, Handy for days out or holidays. So you always have Suncream on you.
They had them in my local pound land, Lots of them so hopefully its national.
House of Fraser outlet has them for over £4 so saves your self a few quid