LAGS - Security Measures for carry on items
The International Civil Aviation Organization (ICAO) has announced the following guidelines for the screening of liquids, aerosols and gels (LAGS). These guidelines are now being implemented for all cabin (hand) luggage to be carried onto all Thai Airways International flights:
a) all liquids are to be carried in containers with a capacity of no more than 100ml. Liquids carried in containers larger than 100ml are not accepted, even if the container is only partly filled
b) containers should be placed in a transparent resealable plastic bag of a maximum capacity not exceeding one litre. The containers must fit comfortably within the transparent plastic bag which should be completely closed
c) the plastic bag should be presented for visual examination at the screening point. Only one transparent plastic bag per passenger is permitted
d) exemptions may be made for medications, baby milk/foods and special dietary requirements. Verification of the need for such liquids may be required.
To facilitate screening and avoid a cluttered X-ray image, such plastic bags containing liquid containers should be presented apart from other cabin baggage, coats, jackets or laptops for separate X-ray screening.
The following is an example of the type of resealable bag (20cm x 20cm):

Liquids include:
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water and other drinks, soups, syrups
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creams, lotions and oils
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perfumes
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sprays
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gels, including hair and shower gels
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contents of pressurised containers, including shaving foam, other foams and deodorants
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pastes, including toothpaste
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liquid-solid mixtures
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mascara
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any other item of similar consistency
At the airport:
To help screeners detect liquids, you must: