Plantar Fasciitis and Flat feet can be painful and make going about your daily routines difficult.Our Arch Support Foot Insoles with your comfort in mind, providing you with great arch support for flat feet to help eliminate and relieve the pain caused by plantar fascia. What are flat feet?Flat feet is a condition in which the soles of the feet have little to no arch, giving you little to no cushion or support. MAIN FEATURES [Arch Support Function]This foot insole provides gentle yet firm arch support for flat feet and relieves plantar fascia pain. It also has cushioning heel pad to relief the shock of waking up and running and the stress of standing for long periods of time.[Ergonomic Design]Ergonomic design offers max cushioning and superior comfort for the entire foot. And provides more arch support for the ankle joint, suitable for those who need a combination of cushioning and alignment. [High Quality]The foot insoles are soft, light, comfortable, breathable and non-slip. The cushioning EVA foam base and soften step enhance stability, and facilitate natural foot motion for shock absorption and pain relief. [Ideal for Daily Wear]These arch support shoe pads are easy to install in all different types of shoes, such as sneakers, boots, casual shoes, high heels, flat shoes, etc. The insoles can be cut to fit your shoe size. How to Use?The insoles that came in your shoes are probably removable take them out first.Place the foot insole into your shoes, fabric side up, to test for size. If needed, trim the insoles along the outline (on bottom of insole near the toes) that matches your shoe size.Ensure the insert lays flat against the bottom of your shoe, especially in the toe area. If it doesn't fit your shoes, continue to trim as needed. SPECIFICATIONS Material: EVA, Mesh Cloth, Nylon Size: S, L Package Includes: 1 Pairs * Arch Support Foot Insoles