Starbucks Colour Changing Reusable Cold Cups 2022 with Lid and Straw 709 ml and Pack of 5

Description What's better than a cup that changes colour every time you fill it with your favourite cold beverage! Just add ice to water or any icy -COLD beverage in the cup and the colour of the cup will change up to the point where the liquid levels off. Remember - just cold water doesn't work. it has to be ice! A true beverage fan would love the lids and straws that come in funky colours! The whole cup can turn into a four-colour entity.