Material: Height increase insoles are made of high quality EVA material, which is soft, comfortable, breathable, sweat absorbent and shock absorbing. Anti Slip Design: Heel lifts cushion pads with anti slip particles on the bottom fit securely inside the shoe and remain stable during walking or running. Comfortable Insoles: Arch support insert cushion with U-shaped heel design and arch protection conforms to the natural curve of the foot for enhanced comfort. Suitable for Most Shoes: Washable and reusable, designed for both men and women, compatible with various shoe types including boots, sneakers, flats, and work shoes. Wide Application: Ideal for activities such as prolonged standing, running, hiking, dancing, and shopping. Specification: Material: EVA Size Chart: 1.5cm: 7.2cm x 15.3cm x 1.5cm / 2.83inch x 6.02inch x 0.59inch 2.5cm: 7.2cm x 15.3cm x 2.5cm / 2.83inch x 6.02inch x 0.98inch 3.5cm: 7.2cm x 15.3cm x 3.5cm / 2.83inch x 6.02inch x 1.38inch Package Includes: 1 Pair Height Increase Insoles Note: Please allow slight variations due to manual measurement and screen display differences.