This new cardboard postal box has been added to our range to fit exactly to Royal Mail's maximum Small Parcel size, so you can get the most for your money when sending with Royal Mail. With an internal size of 439 x 339 x 143mm, this cardboard postal carton measures just under 450x350x160mm externally. For more details on Royal Mail's postal sizes, see our Pricing in Proportion information page.
As of November 2014, Royal Mail introduced a new, larger Small Parcel size. They have replaced the old 'wide' and 'deep' options and increased the size of the parcels we can send with them as a Small Parcel. This is great news as we can now send more, for less!
Ideal for light to medium weight items, these single wall boxes are extremely versatile, enabling you to pack a vast range of your smaller items, whilst offering the protection required through transit or whilst in storage.
Made from rigid corrugated cardboard, with top and bottom flaps for quick and easy sealing with parcel tape, you can ensure your items are packaged safely and securely.
Suitable for home, office as well as mail order and general shipping use our small packing boxes / cartons are supplied flat packed for easy storage, in convenient bundles of 15 at the cheapest prices online!
Our single wall box sizes are in the order of Length x Width x Height.