Welcome to our shop buy goods, We will be happy to serve you! Happy shopping starts here! Have a good one!HIGH ARCH SUPPORT: (Black) High elastic Memory foam Material. (Yellow) Soft Memory foam Material.The high arch support designed insole has changed the force structure of the foot,provide ideal solution for those with plantar fasciitis, flat feet, rigid steps, high, weak, fallen arches.FUNCTIONALITY: The high ARCH SUPPORT can alleviate pain of the foot. Reduction of fatigue when walking or sport.It is suitable for sports shoes, flat shoes, boots, and even all shoes.Flexible and soft foam give the feet support and comfortable whole day.MATERIAL: Made of high-quality and durable medical-grade Velvet and PU material,which is safe to human body,Environment-friendly product,No toxic and side-effect to use,it's suitable for Men, Women and Kids.SIZES:Insole size can be cut according to your shoes, in the back of the insoles have a clear cut line. there are three sizes can suitable for anyone. You can choose the size that suits you. This insole fit for sports and protect the heel and base of the feet.Instant relief from painful with shock-absorb. Fit for flat feet,plantar fasciitis,heel pain,foot callus,foot corn,heel spur symptoms. Comfort and cushioning for all types of leisure or everyday footwear.Great for jogging,running,climbing,basketball,football,cycling,golf,tennis etc. Instruction for Use Remove the current insoles from your shoes, Place new insoles with your current insoles back to back. If your original insoles are shorter than the new insoles, you can trim along the outline on the bottom of the new insoles to match the size of your current insoles. Insert the new Insoles into your shoes (do not put both the new insoles and your current insoles in the shoes at the same time as it would be too thick and wide). (Black) High elastic Memory foam Material. (Yellow) Soft Memory foam Material. Doctors highly recommend that you replace your insoles every 3 months to promote healthy feet. For first-time users of this product, you may experience a slight support sensation in the arch area of your foot for the first two days, which may feel slightly tight and uncomfortable. Please rest assured and continue to use the product. Tips Keep your shoes dry. Remove the original sole of the shoe before putting the soft insole. Put the insoles in a ventilating place to keep them dry and fresh. High temperature exposure is strictly prohibited.