4 single cartons of 288ml ribena for £1.
For comparison Sainsbury do a 4 multipack of 200ml cartons for £1.22. Or 10 pack of 200ml cartons for £2.22? A single carton of 288ml ribena in Sainsbury or a local shop is circa 60-70p.
For the volume you get these are great value even compared to multi packs..