The "20" SISER METAL" collection is a series of heat transfer vinyl films designed for use on a wide range of fabrics and textiles. These vinyl films are specially engineered with metallic finishes that give them a unique, eye-catching appearance. The collection features a variety of colors and finishes, including silver, gold, bronze, and more. The vinyl films are compatible with most cutting machines, making them easy to use for a wide range of projects, from t-shirts and bags to hats and accessories. The films are also highly durable and resistant to fading, cracking, and peeling, ensuring that your designs will last for a long time. The "20" in the name refers to the thickness of the vinyl, which is 20 microns, providing a sturdy and easy-to-use material for a variety of crafting and DIY projects.