Double A4 calendar measurements are 297mm x 420mm when open and are wire bound, so fits into Royal Mail’s large letter category. There is a large hole for ease of hanging.
They are produced using a heavyweight carbon captured paper.
Printed on a Xerox digital press which uses EA toner which produces very little non-recyclable waste.
The cello bag that the calendar is packaged in can be recycled in your council provided waste container.