Add an extra personalized touch to your work with your very own water-slide decal back stamps. Please note that they are available in black only and the font and size can not be changed. You can have up to 4 lines with up to 20 characters and spaces per line. Indicate the personalized information exactly as you would like to appear in the "Special Instructions" box during checkout. Quantity of 150. Quantities of 75 (BACK 75) and 300 (BACK 300) also available. Please note that back stamps can take up to 3 weeks to arrive. If you are ordering other items, please let us know whether to ship your other items out right away or if you would prefer to have the entire order held until the back stamps are ready.