Saw this instore today and thought it was a bit of a bargain...
Turtlewax Wash n Shine - 5 L
Cleans,Shines & Protects
Up to 75 Washes
Turtle Wax Wash and Shine Car Wash is a unique blend of gentle foaming detergents, and special shine-enhancing ingredients. The active ingredients will wash away the toughest road grime and dirt without stripping the wax finish. The luxurious foam will rinse away, leaving no streaks, and will reveal the natural shine of your Car's finish.