These normally sell out pretty quick, so worth grabbing at this price while they're still in stock at Chain Reaction Cycles. They've discounted the High5 Protein Recovery drink boxes (10 sachets of 66g each) down to $16.81. Shipping will cost you an extra $9.99, bringing the total for one box to $26.80. So there's more value in purchasing multiple boxes. They've currently got these in three flavours - bannana/vanilla, berry and chocolate.
Ezisports.com.au are selling the same single box of 10 sachets for $43.85 while Cyclesportsuk.co.uk are charging $38.50, both including delivery. I had a look at Wiggle too but they were all sold out.