# Magnetised material with a field strength of 0.418A/metre or less at a distance of 4.6 metres from the outside of the package · Royal Mail / Post Office — Mailing and air-carriage restrictions by item category

For Magnetised material with a field strength of 0.418A/metre or less at a distance of 4.6 metres from the outside of the package · Royal Mail / Post Office, item category is Magnetised material with a field strength of 0.418A/metre or less at a distance of 4.6 metres from the outside of the package; carrier is Royal Mail / Post Office; restriction type is restricted; scope is UK & International; conditions is Should be wrapped in soft packaging at least 2cm thick around each item The sender's name and address must be clearly visible on the outer packaging Additional general advice: send individually as magnets can damage other items they travel with, ie discs, tapes, etc. Outer packaging – use a strong corrugated board box or purpose-designed polystyrene pack, recorded from its source on 2026-08-30.

- **Item category:** Magnetised material with a field strength of 0.418A/metre or less at a distance of 4.6 metres from the outside of the package _(verified: appears in the quote below)_
- **Carrier:** Royal Mail / Post Office _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** UK & International _(our reading, not quoted from the source)_
- **Conditions:** Should be wrapped in soft packaging at least 2cm thick around each item The sender's name and address must be clearly visible on the outer packaging Additional general advice: send individually as magnets can damage other items they travel with, ie discs, tapes, etc. Outer packaging – use a strong corrugated board box or purpose-designed polystyrene pack _(verified: appears in the quote below)_

## What the source says

> Magnetised material with a field strength of 0.418A/metre or less at a distance of 4.6 metres from the outside of the package UK & International – allowed in the mail, see packaging guidelines below: Should be wrapped in soft packaging at least 2cm thick around each item The sender's name and address must be clearly visible on the outer packaging Additional general advice: send individually as magnets can damage other items they travel with, ie discs, tapes, etc. Outer packaging – use a strong corrugated board box or purpose-designed polystyrene pack

## Source

- https://www.postoffice.co.uk/mail/what-can-i-send

Last verified: 2026-08-30. Review by: 2027-08-30.
Part of [Mailing and air-carriage restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).