Design: the product is designed with black adhesive backing, suitable for use on glass, when the product is used with lead wire, the soldering needs to pass quickly, without staying in one place for too long Indoor and Outdoor Applicability: this stained glass kit is suitable for both indoor projects and outdoor demonstrations, meeting the needs of every craft enthusiast Its sturdiness is equally suitable Stained Glass Essentials Kit: your stained glass kit includes 3 different sizes copper foil tape and 2 small stained glass scratching tools, ensuring you have everything you need for your stained glass making journey Varying Lengths: you receive 3 rolls of conductive copper foil tape, each made of real copper foil, and designed to be Black Lined and has different widths, 5mm 6mm 8mmThe versatility of copper foil tape allows it to be easily pasted on uneven surfaces, suitable for a variety of DIY projects. Ideal Stained Glass Project Tools: this stained glass tool set is perfect for your stained glass creation needs; First, apply the stained glass solder to the outline you want; Then you can use different sizes of copper foil tape to perfectly match and the result is fascinating and memorable, Weight: 0.32959108169 Pounds, Manufacturer: Gishbjka