You don't often see this from pet supplies merchants - but this is a really great offer. There are so many offers on site as well and you can get 10% off 2nd pet food product using code 2FOOD4U. 3 for 2 offers galore -eg. Buy 2 identical 3kg bags of Eukanuba and get the 3rd free. Hills Science Plan 1.5kg & 2kg feline bags - buy 3 get the 3rd free. Buy 2 identical iams feline diet 3kg bags and get the 3rd free. 20% off Hill's canine food - you get the picture - lots on offer and remember that this shipping offer ends 10am tomorrow - no matter how small or big your order is!