RISK FREE - 3-pairs of clear heel height + 1-pair of beige heel height. We offer a 30-day service guarantee for Sumifun silicone heel lifter. If you are not happy with the purchase, please feel free to contact us. We will offer a full refund or resend an item. FIT MOST SHOES - ?Women 10-13/ Men 9-14?With high viscosity film design, the heel lift inserts don’t move in shoes, and don’t cause crowding. They fit well in high heel shoes, dress shoes, boots, sports shoes, canvas shoes, sandals, sneakers and other women shoes. COMFORTABLE TO WEAR - Constructed with high quality and very soft silicone, and breathable fabric. You can wash and reuse them multiple times. PROVIDE PAIN RELIEF - Relieves pain caused by heel spurs and sports injuries. Helpful for achilles tendonitis and leg length discrepancies. ADJUSTABLE DESIGN - There are 4 layers in total. 1/4" per layer for a combined layer of 1”, which are removable for optimum heel lift customization. They help correct leg length discrepancies.