Note: The foil packs look a bit dark but the foil is still very good. Venture has not made foils for a while now but still best there was. I am still using in my shop without problems. 

1/4 Venture Copper Back Copper Foil, 1.0 ml, for Stained Glass Work. Each package is 36 yards.

Great Adhesiveness. 

Specially formulated Acrylic Adhesive System is soft, has much higher quick stick and is stronger than the foil. Greater conformability and superior adhesion. Ductile copper on heat resistant acrylic adhesive. Precision slit to uniform width.