Shop in-store or online using your black card and earn 3% cashback on all your purchases. You will get cashback on all your grocery and other purchases, both online and in-store. However, you will not get cashback on the following purchases: Fuel, all Spirits and Tobacco products, National Lottery, Postage stamps, Sainsburys & 3rd party gift cards, Prescriptions, Infant formula food or milk, Mobile phone top-up vouchers & cards, Paypoint, Items sold from Sainsburys Restaurant and concessions, Retail Vouchers and Gift Cards. Please note: Sainsburys transactions can take longer for cashback to be processed due to their procedure for calculating eligible spend - this could take as long as 6 - 7 weeks.