Understanding Box Dimensions

Box dimensions are typically listed in the following order:

  • Length: The longest side of the box.
  • Width: The shorter side, adjacent to the length.
  • Height: The vertical dimension when the box is placed upright.

Royal Mail Parcel Classifications (UK)

Royal Mail categorises parcels based on size and weight:

Parcel Type Maximum Dimensions Maximum Weight Common Uses
Small Parcel 45cm x 35cm x 16cm 2kg Books, small gifts, gadgets
Medium Parcel 61cm x 46cm x 46cm 20kg Bulkier items, shoes, clothing
Large Parcel Length: 1.5m, Girth: 3m (L + 2W + 2H) 30kg Furniture, large shipments

Sealing Types

  • Flap and Tape: Secure with packing tape. Ideal for heavier contents.
  • Self-Seal Adhesive: Quick and easy to use. Suitable for lighter packages.
  • Snap-Lock Bottom: Provides extra support for heavier goods.
  • Double-Layer Flaps: Reinforced for added durability during transit.

Still Need Help? Get in touch with our team at sales@postalpackaging.com, and we’ll be happy to assist.