Boys at Work // Clear stamps pack (4"x7") FLONZ Clear Stamp with clingy back for using with acrylic block made from photopolymer. Main feature of photopolymer stamps is the highest durability and excellent printing of fine details. Polymer of red colour selected for better visibility of stamp on acrylic block. Works great with any inks (dye, pigment, oil) and any clay on any surface (paper, fabric or plastic). Easy to clean without restrictions by kitchen or chemical cleaners. We give lifetime warranty for all our stamps and replace it for a free at any claims. Welcome to my store for a great collection of stamps that you cannot find anywhere else.