With the sizes in this range fitting within the Royal Mails large letter parameters these Envelope Mailing Boxes are ideal for saving posting costs whilst mailing flat items such as books and magazines.
These Envelope Mailing Boxes are manufactured from rigid single wall corrugated board with a Kraft finish for increased strength. Each envelope has a lock in tab for closure and can be sealed with an address label or tape. Delivered flat packed. Made from at least 70% recycled material and recyclable.
Sold in packs, priced per Envelope Mailing Box.
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