Multipurpose Use: package includes 3 sizes of copper tapes, 1 inch x 66 ft, 2 inches x 66 ft, and 3 inches x 66 ft, 1 in each size, which can meet your size needs; Whether you're working on DIY electronics project or looking for a reliable solution for shielding electronic devices, the copper foil tape is a Durable and Long Lasting: the copper foil shielding tape is made of copper, which is efficient conductive, resistant to corrosion, oxidation, and other forms of wear and tear, can satisfy your electrical needs; With its dual conductivity, it can effectively carry and transfer electrical signals, ensuring precise and reliable performance Strong Adhesive: the electrical shielding tape has a strong adhesive that firmly secures it to many surfaces, making it perfect for a wide range of applications; Its strong and durable bond may withstand harsh weather conditions, electric current, and even extreme temperatures, ensuring that your projects remain sturdy and secure Easy to Use: these copper tape for slugs is easy to use and can be cut with scissors or a knife to the desired length, and its flexible and pliable nature also allows it to conform to irregular surfaces Versatile Applications: this copper shielding tape for guitars is mainly applied for electromagnetic shielding, eliminating electromagnetic (EMI) interference, isolating electromagnetic waves from harming the human body, and is perfect for a wide range of applications, including circuit boards, electrical repairs and art projects Color: As Shown Material: copper Package Contents: 3 rolls of copper foil tape(25mm x 20m, 50mm x 20m,75mm x 20m ) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.