Strake - sorry to spoil a good rant but STN is only quoting the requirements shown on
Direct.gov:
If you need certain liquids during the flight, you can take them into the cabin in limited quantities as follows: - containers must hold no more than 100ml
- containers must be carried in a single, transparent, re-sealable plastic bag, which holds no more than a litre and measures approximately 20cm x 20cm My bold.
- contents must fit comfortably inside the bag so it can be sealed
- the bag must not be knotted or tied at the top
- each passenger can carry only one of these bags
- the bag must be presented for examination at the airport security point
Containers larger than 100ml (excluding essential medicines) will not be allowed through the security point even if they are only part full.