Expandable RBD Envelopes

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Expandable envelopes are another group of office envelopes, commonly known as RBD envelopes. These envelopes are characterized by expandable sides and bottom. The inside of the envelope expands, thereby increasing its capacity. RBD envelopes are intended for sending or storing larger amounts of correspondence. The higher weight of the paper from which the envelopes are made ensures greater durability and more effectively protects correspondence from damage. In our offer, we have C4, B4 and E4 envelopes in brown, closed with a tear off strip. They are packed in 250 pieces per carton, but we can sell smaller quantities. At the customer's request, we can also supply expandable white envelopes and C5 envelopes.

Questions and Answers

  • How deep is the gusset on an E4 expanding envelope?
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    The gusset on the E4 expanding envelope is 4 cm. It lets you send more documents in one envelope, which is a practical way to save on postage while keeping important documents safe in storage and transit.