One sheet of 4" x 9" glass resist designs displays detailed adhesive images. The stickers are two part with the outline and the inside allowing you to etch detailed images into dichroic or iridized glass! Use the inside OR the outside of the design. Layer the designs to create your desired scene. Stickers are 4ml and can be used for sandblasting any type of glass. Be sure your stickers are down firmly onto your glass before chemical etching or sandblasting. Armour Etch creme sold separately.