We charge $8.75 for 500gram Satchels, and $13.60 for 3kg Satchels. You can buy as many items that can fit within a relevent sized satchel for just that one postage charge ( extra charge of 50cents applies on 2nd & subsequent items if we need to use protective bubble wrap packaging on shoes etc. )
**this is as at April 8th 2013, due to Australia Post Price rise!