strong plastic refuse bags

i used to get mine from morissons but they are noe 1.69p each ... ineed a new supply!

 

Have a look online for them- lots of places doing these by mail, also recycled or biodegradeable, much cheaper if you buy in bulk [100 or more]. This is just one of many:
http://www.polybags.co.uk/index.htm?main=cs_7.htm