Quality material: Flat feet support insoles are made from silica gel material, soft, comfortable, skin-friendly, self-sticking and reusable. Size: Gel orthotic insoles length is 10cm, gel arch pads front width is 5.5cm. One size fits all, no restrictive, lightweight, gel cushion pads that are suitable for both women and men. Effective design: Hight arch design support for flat feet. It relieves stress and pain in arches and helps you buffer while walking without moving. Feature: Flat feet arch support insoles are useful, the main insole is clear, while the arch support cushion is blue. Orthotic arch support insoles are the right tool for relieves feet. Reused and washable: Gel arch support insoles are in self-adhesive design, as long as you clean it, it can stick in the shoes without any auxiliary material. When you feel sticky down, cleaning the surface, adhesion will be restored, very easy to use.