This is a mixture of clays that are pressed into shape and fired at high temperature. They are glazed or unglazed depending on the intended use.
These tiles are porcelain or natural clay composition.
These tiles are made from the extrusion process of shale or natural clays and can be glazed or unglazed.
These Porcelain tiles are made from the dust-pressed method with a glazed or unglazed natural clay.
These are glazed tiles with that are designed specifically for indoor use only.