Reference Source

Balloons filled with non-flammable gases · Royal Mail / Parcelforce

What is the restriction type for Balloons filled with non-flammable gases · Royal Mail / Parcelforce?

For Balloons filled with non-flammable gases, carrier is Royal Mail / Parcelforce; restriction type is restricted; scope is UK allowed with marking; not allowed on International Airmail routes; conditions is Not allowed on International Airmail routes; for UK destinations permitted but must be clearly marked NON-FLAMMABLE GAS on the outer packaging, otherwise carried by road or rail, recorded from its source on 2026-08-10.

Royal Mail - Balloons filled with non-flammable gases are not allowed on International Airmail routes. For UK destinations, balloons filled with non-flammable gases are permitted but these must be clearly marked on the outer packaging with the words NON-FLAMMABLE GAS.

— corporate.postoffice.co.uk, retrieved 2026-08-10

Item or substance
Balloons filled with non-flammable gases verified
Carrier
Royal Mail / Parcelforce our reading
Restriction type
restricted our reading
Scope
UK allowed with marking; not allowed on International Airmail routes our reading
Conditions
Not allowed on International Airmail routes; for UK destinations permitted but must be clearly marked NON-FLAMMABLE GAS on the outer packaging, otherwise carried by road or rail.
Sourcecorporate.postoffice.co.uk
Verified
Review by
DatasetWhat can be mailed: USPS hazardous materials, plus item rules for post and couriers

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

Source

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