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 particle shading on the bottom, fit the soles and are not easy to move, and will not move even when running or walking. Comfortable Insoles: Arch support insert cushion, U Shape heel design and arch protection fit the curve of the foot, making you more comfortable to wear. Suitable for Most Shoes: Washable, reusable, men women use, suitable for most styles of shoes, such as boots, sneakers, flats, work shoes, etc. Wide Application: Shoe insert elevators are suitable for various activities such as standing for long periods of time, running, hiking, dancing, shopping, etc. Specification: Material: EVA Size Chart: 1.5cm:7.2cmx15.3cmx1.5cm/2.83inchx6.02inchx0.59inch 2.5cm:7.2cmx15.3cmx2.5cm/2.83inchx6.02inchx0.98inch 3.5cm:7.2cmx15.3cmx3.5cm/2.83inchx6.02inchx1.38inch Package Includes: 1 Pair Height Increase Insoles Note: Please allow slightly errors due to manual measurement and different monitors.