The medial and lateral shoe inserts can be used to treat a number of conditions such as plantar fasciitis, Achilles tendonitis, stress fractures, pinched nerves, heel spurs, heel pad syndrome, heel bursitis, valgus and varum knee deformities, knee osteoarthritis and other heel, foot, ankle, knee, and hip disorders. Reusable & Washable Adhesive silicone-like material is comfortable against your skin and easy to clean with warm water and soap or wet wipes to restore its sticky outside surface. During a rigorous quality hand making process only water-based skin friendly adhesives are used. Leathers are vegetable tanned and no solvents are applied.HEEL PAIN RELIEF - Durable and washable. You can wash and reuse them multiple times. Suit heel spurs, heel pain, sports injuries, achilles tendonitis and other clinical conditions. Excellent padding provides comfortable support when shopping, walking, standing all day. FIT MOST WOMEN SHOES - Size: Women 10-13/ Men 9-10, They fit well in high heel shoes, dress shoes, boots, sports shoes, canvas shoes, sandals, sneakers and other women shoes. If they lose stickiness for using long time, just tear off and wash them, air dry then they can be used again. INSOLE WITH MEGNET STONE: With high viscosity film design, the heel lift inserts don’t move in shoes, Built-in a megnet stone to insole.The position is placed on the acupuncture points to help you reduce the fatigue of your feet and body. CORRECT LEG POSTURE - One edge of each insert is raised ¼”, correct healthy body lines and correct posture. Great 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. THE BARGAIN GOOD-- Including 4-pairs(1 Pairs size M and 1 Pairs size L) Orthotic insoles fits for most shoes like running shoes,work boots,loose casual shoes,hiking shoes,both men and women.