In a bid to encourage more of us to re-use more environmentally-friendly bags, Sainsbury's are banning the disposable carrier bags (of which they get through 1.6 billion a year) for a day, and instead will be handing out "Bags for Life" - normally 10p each - to customers.
Click on the picture to read more about it... and then tell us what you think... Why just one day? Will it work? Do you/your family already use re-useable bags?
On Wednesday next week, Sainsbury's will also be selling the much sought-after "I'm Not A Plastic Bag" bags, designed by Anya Hindmarch. Find out how to get your hands on one here.