1. invisible height increase, build self-confidence: there are three heights (1.5cm, 2.5cm, 3.5cm) for you to choose, please choose the style and height that suits you according to different shoe styles and occasions 2.High quality GEL material: The insole is made of high quality GEL material and the bottom with honeycomb structure. Excellent elasticity, resistant to deformation. It can not only increase the height, but also with cushioning function, provide comfortable foot feeling, provide effective support for the heel, and absorb the impact force on the heel during walking, relieve heel pain . 3.No Slip: With the sticky honeycomb bottom, the insole does not move when placed in the proper position inside the shoe. Washable in warm water below 30C and reusable / Dry in a well-ventilated place / Do not expose to direct sunlight. 4.Replace use: to keep your feet in good health, we recommend that you buy 2 pairs of insoles to replace, and replace the insoles for no more than three months. "