The design is based on a drop of milk that contains a mum breastfeeding a baby, twins and full term breastfeeding.
Organic cotton is farmed without pesticides, using natural methods. This means that it is better for the health of the farmers and their communities, and also better for the environment.
These bags are big enough to fit a laptop into. They measure 44cm accross the top, 34cm from top to bottom. They have a rectangular base so they stand up.
The straps are 62cm long so they are comfortable to wear over one shoulder.
And they cost a fiver at www.lactivist.co.uk