The product is a large lot of 220 pieces of 1-inch mini square craft self-adhesive GLASS mirror mosaic tiles by Art Cove. Made of glass, these tiles are perfect for various crafting projects that require a mirrored finish or decorative mosaic designs. The self-adhesive backing makes it easy to apply the tiles to a variety of surfaces, allowing for creativity in creating unique and personalized pieces. Ideal for creating art, home decor, or DIY projects with a touch of elegance and sparkle.