Not a super deal, but if you're purchasing something at M&S online you might as well get something off it or in this case back.

Get 6.6% cashback at M&S online with Top Cashback.

1. activate the offer here topcashback.co.uk/marks-and-spencer-ireland/

2. then spend at M&S to get the money back onto your Top Cashback account (setting up an account is quick and free)