Book Mailer - Size 1 - Pack of 50
- Internal size 250x195x80mm (maximim) - Thickness of board - 3mm or 1.5mm - Choose from the drop down box above - Large Letter rate if product less than 8mm for the 3mm board & - Large Letter rate if product less than 15mm for the 1.5mm board. - Self Seal available from the drop down box above.Visit the Zetland Boxes website for more information on Book Mailer - Size 1 - Pack of 50