No not at all, the myth re AU customs is a load of bollocks but they are tighter than some countries and normal vac seal permeates one layer in 15 minutes so even if you multiple vac seal it will not beat canine detection. There are a couple of threads on here you should read re shipping, vac sealing, the 3M non permeable bags and test with an actual drug dog, see below: http://dkn255hz262ypmii.onion/index.php?topic=33755.msg718883#msg718883 http://dkn255hz262ypmii.onion/index.php?topic=94730.msg718839#msg718839 Have a read and let me know what you think.