How does Optimum Publicorreo work?
<b>Prepare your shipment</b> in batches of 50 to 100 items either as they stand or in a sealed envelope marked “For postal inspection open here”, and the words “Optimum Publicorreo” stamped on the shipment.
<b>The size of the items for shipment</b> cannot exceed 23 x 33 x 2 cm nor be smaller than 9 x 14 cm. The maximum permitted weight per item is 800 g.
<b>Bring your shipment</b> to any Correos branch or to a shipment unit if it is a bulk remittance.
The recipients will find your advertising in their mailboxes within<b> 2 to 4</b> calendar days.