POSTAGE FAQ I use Australia Post Prepaid satchels for most items with the exception of shoes, tech & maybe caps/hats which will be placed in a second exterior box. Postage prices are non-negotiable and as follows- Small: $11.50 Medium: $15.65 Large: $19.75 ExtraLarge: $23.80 See here for more details: https://auspost.com.au/shop/sending/postage-type/parcel-post