It can be used with repeated use， not a one oh. 

Good stuff ~ heel shoes do not wear foot Genjiao can use the ~ 

Use of specific methods and efficacy is not to say pull 

Material: silicone (elastic， plastic deformation，， colorless， labeled secret after good) 

Length: 10cm 

Width: 2cm 

Thickness: 0.2cm 

Simple ziplock packaging