Postage Costs Within Australia ** up to 500g - $7.70 ** 500g satchel - $8.30 ** 3kg satchel - $12.50 ** 5kg satchel - $15.60 ** 500g up to 20kg Within 50km of postcode 4500 - $9.85 Insurance and registered post options are available please ask for quote.. On all purchases the best postage option will be choosen and any money saved will be refunded.. Some purchases will include a packaging fee.