YFS fashion Gel insoles 1.material:TPR 2.size:customized 3.color:customized 4.adhesive function ,soft and comfortable YFS fashion Gel insolesWe have one size for this item The massage insole fits for Sandal2)Gel insolesThe Gel insoles can massage your feet when you walk and stand. The material of this insole is high quality TPR3)we are welcome OEM,ODM and customized (size,shape,color ,logo ,etc)