What is Sequin Fabric? It's a sort of fabric that is embellished with sequins . They're sparkling, shimmering circular flakes that have holes in the middle, which means you can create clothing using these. While it's not widely used however, there are some that have sequins glued to the fabric. There are a variety of kinds of Sequin fabrics to choose from. The distinctions usually boil down to two factors that are the type of sequin and the fabric or backing material used. There are a variety of fabric for sale online, such as sequin spandex animal print sequin Holographic sequin velvet sequin as well as the mesh sequin among some.