Is there instruction manual for foot relief insoles liquid filled ?
Dongguan S-King Insoles Limited has developed into a leading good feet insoles producer. S-King Insoles produces a number of different product series, including gel toe spacers. S-King Insoles takes the performance of women's insoles seriously.The S-King PU insoles have a good massage effect. This product is capable of giving out clean and soft lights which are free of glare, providing users with a comfortable lighting environment. The size of S-King insoles can be customized to meet different needs.
Heel cushion is S-King always operates. Check it!