specification: _x000D_Item Type: Arch Support Insoles_x000D_Material: EVA+velvet+gel_x000D_Function: Arch Support, Correction and Orthopedics_x000D_Size (EU)Length Width _x000D_ S(36-39) 16cm / 6.3in 7.5cm / 3in_x000D_ M(40-42) 17cm / 6.7in 7.8cm / 3.1in_x000D_ L(43-45) 17.7cm / 7in 8.4cm / 3.3in Features: 1Support arch of foot, disperse pressure on the sole, assist body to balance force, prevent valgus sprain, and correct fallen arch. 2Sole has a shock?absorbing heel pad, and pad surfaces is a sweat?absorbing velvet surface, effectively absorbs shock, absorbs sweat and deodorizes. 3Position of foot center is raised, massage foot center to relieve pressure and soreness of foot. 4High?elastic silicone cushioning heel protection, relieves weight?bearing pressure of heel. 5Helps stabilize the foot in the right position and adjust your body to normal alignment. PackageList: 1 x Pair of Arch Support Insoles