This product is Glazing Gel by Genesis Artist Colours, and is 1oz ( 30gm ) size which will last you many many applications. You will be happy I have sourced a very top quality product which you are sure to love.
If you have any questions please do not hesitate to contact me
Postage is already included in the final price of this item. But if you would like to get a combination for a larger order please contact me. All my postage I do try to send out same day your order comes through but I cannot guarentee Australia Posts service unless you upgrade to parcel post or Express.