Amazon are price matching Coles.
Ziploc Freezer Bags Large, Resealable & reusable food storage, Microwave safe and BPA free, 14-Pack(amazon.com.au) and medium medium is currently not reduced but may/should follow.
Ziploc Sandwich Bags with Easy Open Tabs, BPA Free, 40-pack(amazon.com.au), the 100 pack is a little cheaper per bag at $5.30 ($4.77 S&S).
Always wondered why people get these over regular freezer bags. Is it just the satisfaction of using the zipper thing?