Features:Nylon-spandex material has no static electricity, moisture perspiration fabric provides all-day comfort.SEBS material is non-toxic, has good stability, heat resistance, high elasticity, and is not easily deformed.Dot massage design continues to massage the foot to relieve pressure, it is also fit the arch of the foot, good for shock absorption and decompression.Stretchable sleeves has high elasticity, which are suitable for different sizes of feet.Provides extra foot support to your heel, arch and ankle, promoting blood circulation, which speeds up your recovery and therapy!Specification:Item Type: Foot Arch Support InsoleMaterial: Nylon Spandex, SEBSColor: BlackQuantity: 1 PairSize: Free SizeSize: Approx. 11.8 x 7.8 x 1cm / 4.6 x 3.1 x 0.4inchWeight: Approx. 53g / 1.9ozPackage List:1 x Pair of Foot Arch Support Insole