-- Protect heel from painful irritation, spur, shoe sore, blisters, calluses and getting dry which causes cracking. -- Material alleviates heel pains caused by heel spurs, planter fasciitis and Achilles tendonitis -- Reusable and rewashed, and durable so you can reuse them multiple times -- It can suit any size of foot -- With breathable air holes on the side vents and it also massages your heel. -- It is recommended that you add some body powder to the heel cup. -- Simply stretch and slip the heel protectors onto your feet, and you will feel perfectly comfortable wearing socks, shoes, sneakers, and boots.ONE SIZE FITS ALL SHOES - No need to worry about your shoe size. these unisex gel heel cushion socks are one size fits all shoe and socks, boots and so on. INSTANT HEEL PAIN RELIEF - Great for Heel Pain, Cracked Heel Protectors, Relieve the Heel spurs and Tingling, sore feet, plantar fasciitis, stress fractures, sprained foot when walking or running. LONG LASTING DESIGN: made with high-quality material, can be reusable and rewashed, and durable so you can reuse them multiple times. NOTE: Not suitable for people with gel allergy. SHOCK ABSORBING TECHNOLOGY: Our heel cups were developed having your feet’s comfort in mind and come with an innovative shock absorbing anti-skid technology, providing reliable support on your arch and heel.Effective wear inserts comfortably with dress shoes, high heels, work boots, ballet shoes. HIGH QUALITY MATERIALS: These heel inserts are made with premium quality, durable and flexible SEBS material, Protect heel from painful irritation, spur, shoe sore, blisters, calluses and getting dry which causes cracking.