Sip it up with this 5-Pack of Reusable Colour Changing Cups  Choose from solid or print colours  One pack contains 5 cups with lids and straws Bring colour and excitement to birthday parties, movie nights, and fun sleepovers Add colourful flair to any average drink When a cold drink is poured into the cup, beautiful colours appear right before your eyes. Dimensions: 10cm x 6cm x 18cm    Buying Options:    12.99 pounds instead of 39.99 pounds for solid - save 68%  14.99 pounds instead of 49.99 pounds for print - save 70%