A Havaianas machine in a Sydney shopping mall features a guide on the floor to help shoppers choose the correct size.

This Havaianas vending machine in The Galeries mall in Sydney, Australia offers a range of flip-flops for $20 each. On the ground in front of the machine is a useful chart illustrating the different sizes available, which shoppers can use if they're not sure which size to select.

Havaianas

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