On 13 Aug, 12:51, "Sheila" wrote:
Hi,

I have been putting regular brown cardboard in bin, cut up, I am not sure if
I can put the shiny coloured stuff in as well. Any hints, tips? *thanks..

Do a search here....
http://forums2.gardenweb.com/forums/soil/

... and you'll find a wealth of opinion on the matter.

I've been adding food packaging (e.g. cereal packets, pizza boxes,
etc.) to my compost bin, on the basis that manufacturers would be
using non-toxic, soy-based inks on anything that might come in contact
with food.