• Size: Approx. 7.9 x 11.8 inches (20 x 30 cm), Thickness: 0.1 inches • Made in Japan: Manufactured at a factory in Fukuoka that uses thorough quality control. In addition, we inspect our products in a hygiene environment that is considerably healthy, and we provide our customers with a safe and secure product • Silver Ion Formulation: Antibacterial and odor resistant. It changes the surface of the bacteria and the structure of the protein in in the body, preventing the growth of bacteria and prevents the growth of bacteria and corrosive odor • (Diatomaceous Earth Formula) It has an excellent function of moisture managing, moisture absorption, and release. Diatomaceous earth is derived from the fossils of vegetable plankton and has countless small holes. This allows for high absorbency and quick drying • (Soft Type) It has a soft and stiff feel. No need to worry about damage caused by falling or loading weight