Material :Made of 1.5mm double sides mirror , one side is gold mirror and other side is silver finish . Acrylic sew on mirrors (mirror pieces) are cut in various shapes from the acrylic sheet by laser cut machine. They are widely used on dresses,garment, accessories, shoes ,bags,and home furnishing items. Acrylic sew on mirrors can be sewn onto any fabrics or garments. Package include :30pcs mix sizes and shapes of sew on mirror pieces as the main photos showing.