RISK FREE: If you are not satisfied with this purchase, please feel free to contact us with your order ID and tell us how would you like us to help, we will try our best to offer the most responsible solution. Our products are packed with reuseable ziplock bag, easy to open and seal. The return would be a lot easier when the package is intact. Thank you very much for your time. FIT MOST SHOES: These heel cushion inserts are easy to apply, stay in place, and don’t cause crowding in your shoes. They are available for both men and women and fit all types of shoes, such as running shoes, dress shoes, boots, sneakers, work shoes, leather shoes, etc. HIGH-QUALITY MATERIAL: The heel lift inserts are made of soft and durable medical-grade PU gel. And the fabric is breathable, moisture wicking, durable, and washable. ADJUSTABLE DESIGN: Adjustable layers allow you to build up the height by adding layers yourself; Strong self-adhesive that firmly stays in place for lasting comfort; if they lose stickiness, just tear off and wash them, air dry then they can be used again. HEEL PAIN RELIEF: The heel lift inserts are great For Leg Length Discrepancies, Heel spurs, Heel Pain, Sports Injuries, Achilles tendonitis and other clinical conditions.