1. Material: silicone + velvet cushion
2. Size: one size, one layer increased by 2 cm, two layer increased by 3.5 cm, three layer increased by 5 cm, the length is about 12.7 cm, the width is about 7 cm
3. Weight: 65 grams for one layer, 105 grams for two layers, 150 grams for three layers
4. Applicable gender: both male and female
5. Season: all year round
6. Applicable shoe types: sports shoes, leather shoes, boots, casual shoes, warm shoes, work shoes, etc.
7. Features: U-shaped heel design, fits the foot shape, increased comfort, breathable perspiration, massage and shock absorption, soft and elastic, not easy to deform, not easy to collapse, detachable and adjustable, non-slip, non-slip, firm and stable
