These insoles are made with Sorbo-thane material, which is stain-resistant and quick-drying, designed for the Shunsoku brand. * DSIS Shunsoku Insoles * Uses "Sorbo-thane," a shock-absorbing material * Size: 20cm * Color: Blue * Seller: Achilles * Made in Japan * Although unused, the item has been opened for photography. * The upper right corner of the bag was damaged upon opening (see photo 8). Thank you for viewing.