12″ Lenticular Animated Flip Bookmark/Ruler, readers of all ages will “flip” over these! Flip Image bookmark/rulers animate from one image to another – and back again. Printed in full-color from customer-supplied artwork. Stock designs also available with no set-up charge (Note: Unless otherwise requested, imprint will be printed in black). Each bookmark includes an optional 12″ ruler. Note: The ruler is 1/4″ wide (finished size). No need to supply the ruler art. Tassels and sleeves to hold bookmarks also available. Optional: One to Full-Color printing on back. It is best to use vibrant colors and full ink coverage, while avoiding white or very light background colors for the animated flip-image option. Material: 18 mil. 75 lpi lens with laminated back. Final Thickness: 21 mil.