All tubes are guaranteed not DOA. Shipping is by Australia Post and charged according to their rates for different zones around the globe. If you wish to check out the zoning and charges please visit auspost.com.au. The minimum shipping weight is 500gm, I pack tubes very well and I have only ever had one problem with damaged tubes in over 10,000 sales. There is a very small handling charge to cover packaging and handling. I do not profit from shipping and I wish I could charge less. I am a registered business and pay all the appropriate Australian taxes including 10% GST. 

Domestic shipping for this item is $12. Overseas shipping costs depend on which Australia Post destination zone your country is in.The charge stated in the invoice for overseas will be worldwide shipping with tracking is $28. Some destinations are more expensive  Please Email me to know the specific shipping cost to your country. if you have any questions about this item and I will reply as soon as possible.