Instructions:From Weds 18 May, enter code MANDS10M at M&S* online. The code's valid for two days. Delivery costs £3.50, but it's free to collect in store.
The detail: Excludes technology, household electricals, large appliances, gift cards, gift vouchers, Wine Plans, M&S Money or M&S Energy products or services, Personalised Cards and Made to Measure shirts. Not valid with other promos except certain free delivery offers.
Thanks to Martin MSE