Transparent gel half-insole -Salamander Disco Queen Designed for use in high-heeled shoes . Inconspicuous reli- slip, significantly reduce the load on the forefoot . Effectively eliminate fatigue , burning and heaviness in the legs that occurs when walking long and disco nights. Easily cleaned with water and are designed for multiple use . The adhesive side firmly fixed Disco Queen in the shoes . Remove the protective film , moisten lightly and place in front of obukata ( with wide side forward) . Made of polyurethane.