I found this comp in the free Offspring: Winter 2014 magazine (page 5)
Exclusive offer to Offspring readersPurchase any item from the McArthur Natural Products range to go into the draw for your chance to win a travel voucher to the value of $2000. See our website for your nearest stockist (see link below). To enter simply email a copy of your purchase receipt with your name, address and telephone number and the code "Offspring' to
sales@mcarthurnaturalproducts.con or post to: McArthur Natural Products, PO Box 8360, Perth WA 6849. Competition closes 31 August 2014.
http://mcarthurnaturalproducts.com/stockists/