promotional desk calendar 1.OEM design acceptable 2.Printing processing available 3.Recycled material,cheap price Printed promotional desk calendarFeature specification: spiral table calendar.Material: 13 sheets for 12 months + triangle cardboard + black or white spiral.Cover: 157g-200g art paper Inner: 128-250g art paper or matt paper Printing: 4 colors offset printing (2 sides), Hand-made ...