Top quality Edco copper foil is made with "dead soft copper" and boasts the strongest adhesive in the industry. It sticks closely to each piece, even around tight curves, adding strength to your finished piece. Silver-backed foil is ideal for projects using transparent glass or for projects where solder seams will be left silver. Foil measures 1/4" wide and 1.0mm thick. Sold in a 108-foot roll. Delphi Tip: Choosing the Correct Foil When using transparent glass and bevels, choose your foil based on the color of your solder seams. See additional images for a visual example. Choose copper-backed foil if using a copper patina Choose silver-backed foil if you are leaving your solder silver Choose black-backed foil if you are using black patina.....