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/3.94inch,gel arch pads front width is 5.5cm/2.2inch.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