Liquid containers size at the airport

Upvote:0

The prime factor I consider is convenience. With a 100 ml or less bottle you know exactly there are less and 100 ml of liquide in there.

In long security queues, and bottles being all sizes it can be difficult to measure the number of liquids in each bottle and can cause long queues.

Upvote:3

Let's say I have a 600ml water bottle. It's opaque.

I tell the security I have under 100ml in it.

How are they supposed to judge this? Do you expect them to pour it into a measuring container? Can't weigh it - different liquids weigh different amounts. Estimate? Yes 1ml of liquid is obvious to most of us that it's less than 100ml, but where do you stop? What if it's 99ml or 101ml? I'm certainly not capable of doing this estimate, even if I could see it.

The easiest answer from a policy - only allow 100ml bottles, and clearly empty bottles. That's the only way to guarantee there's no more than 100ml of liquid contained within.

Whether or not this is an effective form of security is a different conversation and debate, but that's the reason for 100ml bottles only.

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