yiwu sequins has flat, cupped, square or round … metal, plastic and I've seen thinly sliced precious stones used to. Whether you choose to ever wear them or not, everyone knows what sequins are.  Under an umbrella definition of a spangle: it is a small piece of shiny or sparkly material sewn to a garment as decoration. SIMPLE. Sequins are found everywhere from Wal-mart to the finest Haute Couture. Each sequin has a single small...