The Natural Marble is mined in the mountains of Turkey. We import this Natural Marble then Manufacture the Coasters here in the USA. Each Coaster is made of genuine Marble. Coasters have a cork backing which protects your surfaces from scratches and stains. Artistic designs are printed on the surface of each coaster. These attractive Coasters add elegance and distinction to your space. Because this is natural stone marble, the coasters may vary is shape and color. The Coasters are made for long lasting use. Comes wrapped in twine with hang tag attached.