Hyper Colours Straws
Colour Changing Straws
The future has arrived, with a distinct touch of the 90s! The first of their kind in Australia, REDDS Hyper Colour straws change colour when cold. Yellow changes to Green and Clear changes to Purple.
Remember, for a reaction to occur, it must be a cold drink (<4°C), so make sure it is straight out of the fridge or with ice.