Universal Size: These Orthopedic Medial & Lateral Heel Wedge Gel Inserts are available for both men and women US shoe sizes 5+.they are not a full-sized insole. Ergonomic Design: Providing a 4-DEGREE LIFT for ankle inversion or eversion and treatment of flat feet, plantar fasciitis, Achilles tendonitis, stress fractures, shin splints, pinched nerves, heel spurs, heel pad syndrome, and heel bursitis. Easy to Use: Wear medially to correct over-pronation counteracting knock knees and ankle eversion. Wear laterally to correct supination, preventing bow-leggedness and ankle inversion sprains. Premium Material: Made of and soft gel material which is easily washed, reusable. It is suitable for daily use and are absolutely invisible. Non Slip: Self adhesive design make the insoles stay in place all the time. Also, you can wipe off the sticky residual from the pads to reuse it. The strong sticky heels cushion pads are equipped with strong adhesive properties. Corrective Adhesive Gel Shoe Inserts Medial & Lateral Heel Wedge Silicone Insoles for Supination and Pronation, Corrective Adhesive Gel Shoe Inserts for Bow Legs, Foot Alignment, Knock Knee Pain Suitable for Many Kinds of Shoes The inserts are available for both men and women, one size fits all types of shoes, including sandals, flats, dress shoes, leather shoes, athletic, boots, etc. Easy-To-Follow Instructions Step 1: Make sure your shoes are clean and dry : Peel off the adhesive cover Step 3: Put the inserts to the right place which can help you correcting posture. Step 4: Press the inserts and enjoy (Washable, Reusable, Anti-skid), Self-adhesive tape. Quantity: 2 pairs colour:white Material:Silica gel size:10.2x3.5cm Package contents: 1 set Heel Cushions Cups(2 pair) Friendly Notes 1. Before you use these inserts, make sure your shoes are clean. Adhesive backing will not perform perfectly when they run into dirt. 2. If they are not sticky enough, please wash them with warm water, let them dry, and you can use them again. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.