Authentic petrified wood top is hand cut and polished with rough edge, fixed to a stainless steel base. A natural product, each petrified wood top will be unique in size, shape and color based on minerals in soil and, therefore, each table will have its own unique character. Variance should be expected and range from natural, brown and black. Other natural traits are knotholes and cracking. Coasters are advised to prevent water staining. For more detailed information on the nature of your petrified wood product, please click "Details".