Royal Mail customers are being urged to write down three specific things inside every parcel they send. The postal service advises including a contact name, address, and telephone number on the inside of the package, not just on the outside.
According to Royal Mail's website, this practice helps ensure that mail is delivered safely and reaches the correct destination. The guidance is part of broader advice on how to package items properly to avoid damage during sorting and transit.
Packaging Guidelines
Customers are also advised to write a return address on the item and label it as 'FRAGILE' if necessary. The postal service recommends using padded envelopes for sharp edges or odd shapes and ensuring outer containers are strong enough for their contents.
Fragile items should not touch each other or the sides of the container. Royal Mail suggests filling containers with cushioning material like bubble-wrap or polystyrene chips, which are available at most Post Office branches.
Sealing and Protection
Once a parcel is wrapped correctly, Royal Mail advises sealing all edges securely with nylon or vinyl tape. Any sharp edges from staples or metal fastenings should be flattened and covered with tape. These steps help protect items during sorting and transit, as Royal Mail uses machines to sort mail, which can occasionally damage packaging.
The postal service states: "If we spot a damaged item, we will place it in a Royal Mail bag to try and prevent further damage. Please follow these guidelines to make sure your eligibility for compensation isn't affected if the item doesn't arrive as expected."
Special Items
Different packaging rules may apply to certain fragile items. For example, Royal Mail says larger books should be sent in a corrugated fibreboard book pack, giving 2.5cm clearance at each end, to avoid damage to the binding and corners.
When sending films, customers are advised to seal them in polythene with address details clearly visible, place them in a strong inner container, pack loosely in a padded envelope, and seal securely. The sender's name and address should be clearly written on the outer packaging.
Prohibited Items
Before sending, customers should check that an item is safe to post. Royal Mail lists various prohibited or restricted items, including aerosols, alcohol, batteries, crackers, electronic items, lighters, liquids, matches, medicines, nail varnish, paints, perfumes, and perishables.



