Reference Source

Biological substances (diagnostic specimens)

For Biological substances (diagnostic specimens), carrier is Royal Mail / Parcelforce; restriction type is restricted; scope is UK (Post Office counter); conditions is Total sample volume/mass in any parcel must not exceed 50ml/50g; must be posted in packaging complying with Packaging Instruction 650, such as the Safebox product, recorded from its source on 2026-08-10.

Item category
Biological substances (diagnostic specimens) verified
Carrier
Royal Mail / Parcelforce our reading
Restriction type
restricted our reading
Scope
UK (Post Office counter) our reading
Conditions
Total sample volume/mass in any parcel must not exceed 50ml/50g; must be posted in packaging complying with Packaging Instruction 650, such as the Safebox product. verified
Sourcecorporate.postoffice.co.uk
Verified
Review by
DatasetPostal shipping restrictions by item category

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.

What the source says

Packaging guidelines: The total sample volume/mass in any parcel must not exceed 50ml/50g. All biological substances must be posted in packaging that complies with Packaging Instruction 650, such as our Safebox product.

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

Source

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