✓Washable & Reusable: It made of durable gel and breathable fabric, which is easily washed, reusable. Heel lift insert is suitable for daily use and are absolutely invisible. If they are not sticky enough after several days use or run into dirts, please wash them with warm water, let them dry, it will back strong sticky, and you can use them again. ✓FIT MOST SHOES: These heel cushion insert is self-adhesive, very easy to use. Choice of sizes and colors, available for both women and men, also fit all types of shoes, such as running shoes, dress shoes, boots, sneakers, work boot, leather shoes, sandals, flip flops, etc. Cleaning the shoes first, then simply remove the adhesive cover from the insoles, and place them along the inside edge of your shoes under your arch and firmly press. ✓SHOCK ABSORBING HEEL CUSHIONING: The heel insole features excellent shock absorbing PU GEL, reducing stress on heel, ankles, and knees providing ideal comfort while providing long-lasting performance. It provides all day comfort and extra support for extended standing, walking, running, hiking, dancing, or any other activity that finds you on your feet. ✓INSTANT HEEL PAIN RELIEF: The heel lift insoles is ideal for leg length discrepancies, heel pain, heel spurs, Achilles tendonitis, plantar fasciitis, sore heel injuries recovery and other heel conditions. They provide comfort cushioning for your heel, reduce foot stress, improving your gait and letting you walk or run with ease. ✓ADJUSTABLE HEIGHT INCREASE: Adjustable Height Increase Insoles: 3/4 layers of removable heel lifts, 2.3 inch each layer, can add up layers to adjust the height you want. These heel adjustable inserts are designed with an easy-to-use, high-viscosity film, the firmly self-adhesive provide enough power to allow you used individually or as a combination, no worry the heel pads move around in the shoe.