Minimum order quantity = 3.
Found this after searching for an hour for something to buy before the $2 bonus Shopback deal expires.
This price only applies to this 'flavour' - ie, untoasted natural bircher.
It's cheaper than recent sales at Coles and Woolworths ($4.50 according to Price Hipster).
It's also cheaper than the 1.5kg version which Amazon sells at $13.64.
Don't forget cashback!