Please make sure that you use: Australia post 500 gram or 1 Kg regular satchel for small items like phones, 3kg regular satchel for large items like iPads and 5kg regular satchels for bulky items like Macbooks. Do not forget to add register post (signature on delivery) to the satchels. You are not required to purchase additional insurance for returns. Please also insure that you clearly label either inside or outside your package whether you want a replacement or a refund.