Offers unrivaled protection during many activities. There are 3 pairs of heel silicone insoles (color-clear)in the package. Easy to adapt - One size fit most types of shoes, including high heels, slippers, flats, sandals, boots and sneakers etc. Soft & breathable material - Made of soft and durable high-quality gel. Each piece has a peel off the back and good adhesive. It can be cleaned and kept sticky, reused. Besides, this upgraded version has better stickiness. Holds foot in place and prevents rubbing and sliding. With dual feature - Medial & lateral heel wedges inserts with the thickness of 1/10"(low side) to 2/5" (high side). Controls the hindfoot and forefoot from inversion (rolling out) or eversion (rolling in) which restores proper body balance. Heel cushions are also good for relieving the pressure on the heel. Foot pain relief & improved posture - These products support healthy body lines and correct posture. Suit for genu valgum, knock-knees or genua varum, pronation, supination, bow legs and ankle eversion, reducing the effects of flat feet. Relieve pressure and provide support to your feet.