Features: Pain Relief: Supports shock absorption, disperses plantar pressure, relieves pain in the medial, medial and sole of flat feet, and relieves fatigue and soreness from prolonged standing Leg Shape Correction: Correction of varus legs, X-shaped legs, internal splayed legs and other problems caused by uneven force on flat feet Lightweight And Comfortable: TPR biomaterial with high durability, does not take up space, suitable for most shoes, strong bearing force, 10000* pressure test Main Function: Uniquely designed, which has a very good function of correct flat feet; Stimulate your body to better blood circulation and metabolism Main Purpose: Hold the foot in the correct anatomical position, correcting pronation issues; Improves biomechanical function without interfering with the foot's natural growth Specifications: Type: Orthotic Insole Gender: Unisex Material: TPR Color: Black Size(L*W*T*H): About S: 15.5x6.6x0.4x2.8cm/6.1x2.6x0.16x1.1inch, Suitable For EU 35-39 L: 16.3x7x0.4x2.8cm/6.42x2.76x0.16x1.1inch, Suitable For EU 40-45 Package Included: 1pair x Orthotic Insole Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.