let's decorate 25pcs 25mm crystal glass buttons sofa sewing buttons headboard decoration crystal buttons upholstery diy buttons (black button(zj)) let's decorate size: diameters are 25mm(0.984in.), quantity: 25pcs/lot material: rhinestone crystal glass with metal base, not plastic or acrylic. excellent decoration for sewing, crafts, costume diy, headboards & footboards, bedroom bench, upholstered dresser, etc.