This copper sheet is a versatile tool for metalworking and crafting. Made of 40 gauge copper tooling foil, this roll measures 12 inches by 10 feet (has had a piece cut off,looking at end not much was. weighs 1# and 7 ounces.-one cardboard end is missing), providing ample material for a variety of projects. The Maid-O'-Metal brand ensures quality and durability. Crafters and metalworkers alike will appreciate the flexibility and malleability of this copper sheet. Its use extends beyond the traditional metalworking applications and can be used in various home arts and crafts projects. This item is a must-have for any DIY enthusiast or professional metalworker.