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Amazon£6.95Visit shop Mass Dynamic A5 C5 Large Letter Postal Boxes, 235X165x22mm Cardboard Shipping Boxes, Mailing Boxes For Royal Mail (Pack Of 10)
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This guide is for individuals and businesses needing to ship or store A4/C4 sized documents, magazines, or slim items. The key benefit is robust protection and compliance with Royal Mail Large Letter requirements, ensuring contents arrive securely and cost-effectively. A minor caveat is the need for tape to secure the seal, which is not included. These boxes are constructed from durable 1mm thick corrugated kraft cardboard, designed to resist pressure and creasing. They meet Royal Mail's Large Letter dimensions, are easy to assemble, and are made from eco-friendly, recyclable materials.
| Model Part Number | MD-A5/C5 |
|---|---|
| Brand | MASS DYNAMIC |
The external dimensions are approximately 330 × 230 × 22 mm, and the internal dimensions are approximately 320 × 225 × 20 mm.
While they are designed for Royal Mail Large Letter compliance within the UK, their durability and size may make them suitable for some international services that accept similar dimensions and weight. Always check the specific carrier's requirements.
The specific product title indicates the pack size. This guide refers to a pack of 10 boxes, though other pack sizes may be available.
Yes, if the box is carefully opened and remains in good condition, it can be reused for storage or shipping.
They are ideal for A4 documents, magazines, catalogues, books, thin notepads, calendars, and other slim items that fit within the internal dimensions.
No, the boxes are supplied flat for efficient storage and shipping. They are designed for quick and easy assembly by the user.
No, the boxes are made from cardboard and are not waterproof. They should be kept away from moisture and liquids.
Ensure all folds are creased firmly. If the contents are too light, consider adding a small amount of packing material to fill any voids, although this is rarely necessary for their intended use.
Ensure the box surface is clean and dry. Use standard packing tape and apply firm pressure when sealing the flaps.
Gently flex the item or consider if it can be slightly compressed without damage. For items consistently too large, a slightly bigger box may be required.
Setup:
Compatibility:
These boxes are specifically designed to be compatible with Royal Mail's Large Letter postal service. They are suitable for mailing or storing items that fit within the internal dimensions of 320 × 225 × 20 mm. This includes standard A4 paper, envelopes, thin books, magazines, catalogues, and similar flat or slim objects.
Care:
Store the boxes in a dry environment to prevent moisture damage, which can compromise the cardboard's integrity. Avoid storing in direct sunlight or extreme temperatures. As the boxes are made from cardboard, they are sensitive to water. Ensure they are kept away from liquids.
