madholly 6 pairs gel arch support shoe insert for flat feet, transparent adhesive stick on arch support pad for women and men madholly <b>this is our new design arch pads, please try them<br><br>material: medical-grade gel <br> size: 2.8*1.8*0.35 inches<br><br> how to use it:<br> 1.clean your shoes first<br> 2.remove the pet film<br> 3.put the arch support pads on the inner of shoes<br> 4.press and fasten it<br><br> package include: 6 pairs arch support gel pad</b>