Kaisercraft CS168 Acrylic Rubber Kaleidoscope Stamp, 6.25 by 4-Inch, Clear Clear stamps are an easy way to add inked images to paper crafting projects Simply adhere them to any acrylic block ink and stamp This package contains seven clear acrylic stamps mounted on a 6 x 4 inch backing sheet A photo friendly imported product Conforms to ASTM D4236