silicone height increase insole 1) Material: 100%silicon 2) Color: clear or any 3) Soft, Clear, insole 4) Healthcare Soft Clear Gel Silicone Back InsoleHigh Quality Clear Silicone Height Increase Insole 1) 100% food-grade silicon material2) Soft, comfortable, Non-stick finish3) Temperature withstand: -40 ~ + 230°C4) Very good choice for foot insole 5) Durable, long-lasting, not easily worn out6) ...