Known cases / Juice & Drinks / Cadbury
Did Cadbury Buttons selection box shrink?
375 → 340 g −9.3%Size Facts
Before375 g
After
340 g
Hidden unit-price rise at same price+10.3%
When2024
CountryUnited Kingdom
Evidenceconsumer-group / news investigation
Confidencehigh
Source: https://www.which.co.uk/news/article/shrinkflation-which-reveals-the-christmas-items-that-have-shrunk-adWZu2O4vkjm (which.co.uk). Source fetched 2026-10-14. Check the math in the calculator.
What the source says
“). Biggest price increase per 100g: 59% at Morrisons (it cost the same at Sainsbury’s and Waitrose this year). Cadbury's Buttons selection box – shrunk in size from 375g to 340g (9% smaller). Biggest price increase per 100g: 19% at Sainsbury’s. Celebrations tub – shrunk in size from 600g to 550g”
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