Features: Non-slip self-adhesive design keeps insoles securely in place. The adhesive can be cleaned and reused as needed. Heel cushion pads feature strong adhesive properties for reliable performance. Made of soft gel material that is easy to clean and reusable, suitable for everyday use and designed to be discreet inside footwear. Provides targeted support to help correct leg alignment issues including O-leg and X-leg conditions. Helps prevent bow legs and leg valgus or varus. Easy to use: Place medially to help correct over-pronation, knock knees, and ankle eversion. Place laterally to address supination, bow-leggedness, and ankle inversion. Note: 1. Actual color may vary slightly due to lighting effects. 2. Allow 1–3 cm variation due to manual measurement. 3. Can be layered at different heights to accommodate varying degrees of symptoms. Adhesive activates after removing the protective film. Thickness options: 6 pieces (3 layers) – 2 cm; 4 pieces (2 layers) – 1.5 cm; 2 pieces (1 layer) – 1 cm. Package List: 2/4/6 pcs Medial/Lateral Heel Wedge Silicone Insoles