WaterWipes are currently on sale @ Amazon AU. Listed as $42 for 540 Wipes (9 Pack). With Amazon Prime, S&S, goes down to $35.70, roughly $4.67 per pack. Almost half price. No Prime, S&S is $37.80. These are the most expensive baby wipes on the market, RRP $8 per pack.
WaterWipes Sensitive Baby Wipes 540 Count Super Value Box (Pack of 9) $37.80 or $35.70 (Prime) Delivered (S&S) @ Amazon AU
Price History at CamelCamelCamel.