Instructions:On Sainsbury's Groceries website, if you click 'Ideas & Recipies' at the top and scroll to the bottom of the page, there are several items you can try for free! Pick your item, copy the code listed and when you come to checkout, enter the codes one by one under vouchers - and the full amount it taken off. If all are used you save £9.50. This works alongside the new customer discount of £18 off a £60 spend too. Also shreddies are in this deal but thats listed by someone on another post. Can't see a minimum spend (I spent over £100) so you will just have to give it a try and see.