Product Size: 9*10CM Color: white Material: SEBS Package includes: 2 * silica gel followed by protective cover SOFT & COMFORTABLE GEL MATERIAL - Made of durable, high-quality Class A gel for superior cushioning. Infused with vitamins and releasing mineral oil to moisturize your skin. Unisex, Anti-Odor, Non-Toxic. INSTANT Heel Pain Relief - Best for Treating Heel Pain, Cracked Heel Pads, Relief from Heel Spurs and Tingling, Foot Pain, Plantar Fasciitis, Treating Stress Fractures, Foot Sprains While Walking or Running UNIQUE CELLULAR DESIGN - ONE SIZE FITS ALL SHOES - No need to worry about your shoe size. Walking around in them will make you feel at least 10 years younger. All Day Comfort - They offer foot protection, reduce friction and shock absorption. The gel heel cup will not harden, crack, dry out and cannot be hand washed with warm soapy water.