[Estimated shipping]: 2 - 6 business days *Excluding Saturdays, Sundays and public [Package classification]: TS 1949 [Package size] Normal product [Manufacturer name] Seihou Co., Ltd. [Model number] insole27 5 pieces set Summer mesh, winter polka dot comfort luxury insole. Antibacterial, odor resistant, antibacterial and deodorizing while wearing. Release the hassle of cutting. Commercialized in 9.1 - 11.0 inches (23 - 28 cm) incre"Space Socks, Mineral Insoles, Polka Dotted Black, 10.6 inches (27 cm), 1 Pair" is a luxurious insole made of copper fiber on the inside and out. The insoles have excellent deodorizing effect combined with the capabilities of copper fiber and deep sea mineral powder. Heat retention keeps you warm and the mesh surface is refreshing. Deodorizes and antibacterial with catalytic action. Brand: Universe Sock Series; Product Name: Mineral Insole: 10.6 inches (27 cm), 5 sets; Model Number: nsole27; Material: Polyester, copper wire thread; Country of Origin: Japan; Size: 10.6 inches (27 cm); Warranty Card: Can be replaced when worn or teared; Weight: 2.0 oz (55 g); Special Notes: Patent Material: Functional Fabric No. 4307819 oz (43 oz (19 g). Antibacterial data MRSA Staph, Pulmonitis and Lactobacillus (athlettobacillus bacteria), Antistatic Testing, Friction Band Voltage Attenuation Measurement Method Deodorizing Effect, Hydrogen Sulfide, Ammonia, Acetate, IsoYherhera (Gunma Prefecture Textile Industry Test) [Caution] We have confirmed that it is safe for skin safety by patch test. If the color goes down to white socks, please dilute your home vinegar with water and rinse clean.