They offered the same thing last year. If they had 1kg Parcel Post satchels their profit margin would dip ever-so-slightly (personally I would prefer to see a 0-250g parcel rate but that won't happen either).

Hmm;  and it looks like no price for a single one - you must buy a pack of 10

 

http://auspost.com.au/parcels-mail/prepaid-satchels-envelopes.html

I saw these advertised on the PO wall.

AP seem to come up with these random ideas about what customers want when really I don't think they have a clue.

As stated above, a 250 gram satchel ( at the 500 gram satchel dimensions) or a 1kg standard postage would be far more useful.

$1.30 diference between one of these 1 kg satchels and a 3kg express satchel. Considering the larger capacity of the 3kg, the 1 kg price is rather extortionate. 

Application did have an up to 250g parcel rate but canned it to make more money and I wouldn't be surprised if they can the up to 500g rate too