"Up to 30% off Everything when you buy selected products below:
Buy 1 selected product and save 15% off your ENTIRE order use code: ONE
Buy 2 selected products and save 20% off your ENTIRE order use code: TWO
Buy 3 selected products and save 30% off your ENTIRE order use code: THREE
Offer valid until midnight 7th January or while stocks last. "
Actually, the list is quite extensive, so that is not an issue. Also, I noticed that the discount is capped at £100.