This is a high quality turntable mat made in Japan. The "Japanese cork" is softer than the cork produced in Portuguese. Among them, weve adopted small grain cork that is strong enough to maintain its shape. Small cork is characterized by less wood skin and less wood skin than large cork. Many bubbles in the cork reduce vibration and improve the recording playback environment. (Many corks are used in environments where acoustic effects are required such as concert halls. It is also known as a material that has excellent discharge properties and is difficult to generate static electricity. It is finished with a 0.08 inch (2 mm) thickness which makes it easier to adjust the arm compared to 0.Not suitable for DJ We use small grain cork that is difficult to deformate its shape due to humidity and climate weather, but we choose a soft cork that is gentle on records, so there may be slight differences in individual differences (around 0.3%) in products that are cut in positive circles. Please note that this does not affect the playback environment.