DIY CRAFT PROJECTS -- NO need to spend hundreds of dollars to get unique art for your home, and you can just do it by yourself with this fantastic copper tape. Bring some modern color and textures into your house.EMI SHIELDING -- Electromagnetic interference (EMI) can disrupt electronic devices, equipment, and systems that are used in critical applications. The copper foil tape can be used as EMI shielding tape offer an quick and easy solution for containing signals emitted from your components.FOIL TAPE -- Copper foil is soft and pliable, strong adhesive helps it firmly stuck. This saves you time and makes your finished work stronger and more attractive.PACKAGE INCLUDES -- It includes 4 rolls copper foil tapes, assorted 4 sizes--5/6/8/10mm wide, and each size 1 roll, 20m. It can meet your different sizes needs for your projects.KINDLY REMIND -- In order to prevent oxidation, please keep dry and indoor ventilation when storage it.