Inexpensive Chinese-made product. Made of synthetic leather, not rubber. Quality is inferior to Japanese-made products. About Set Discounts! If you buy multiple items, we will discount the shipping cost! Most products include approximately 200 yen for shipping, so the discount will be as follows: [Bundle Discount Details] 2-item set: 200 yen off the total 3-item set: 400 yen off the total 4-item set: 600 yen off the total The more you buy, the better the deal! If you wish to purchase a set, please comment in advance! We will create a dedicated listing for you!