Alum of calcium carbonate Product: Pen Size: 1.1 x 14 cm Color: body white, black, gray. The color does not affect the price. You choose the color later, before placing the order. Quantity: 1-∞ ; Quantity affects price. You choose the quantity now, before you express your interest. Printing position: the pen has 2 positions: one-sided, two-sided. Positions affect the price. Positions are selected now, before expressing interest. Pen printing position without branding unilateral bilateral The price is given for the first option