The C4 cardboard back envelopes from Mailmedia are a practical solution for sending documents and other flat items. These envelopes are designed in size C4 and provide ample space for A4 documents without folding. They are made from high-quality kraft paper with a weight of 120 g/m², giving them a robust and reliable structure. The envelopes are in a classic white color and come without a window, allowing for a discreet and professional presentation of the contents.

Weighing approximately 48.9 g per envelope, they are lightweight yet sturdy enough to withstand the demands of shipping. The self-adhesive closure with a protective strip ensures a secure seal, allowing for easy and quick sealing of the envelopes. These shipping envelopes are available in a convenient pack of 125 pieces, making them ideal for businesses or individuals who regularly send documents. The cardboard back envelopes are an eco-friendly choice, as they are made from recyclable material and manufactured in China.