Immediate Relief: Easy to use cold therapy sock for foot care. Ideal for sore feet, Arthritis, Achilles Tendonitis, Plantar Fasciitis, Sprained, Swelling, and Post-Surgery Recovery. Easy To Use: No need to replace/fill ice packs. Say no to messy and inconvenient methods like a zipped bag of lumpy ice which never seemed to cool the right spot. It remains soft after freezing and does not affect free movement after wearing. Hot & Cold Therapy: The Cold therapy sock for cold and heat therapy depending on your needs. The expert gel locks in cold or heat for a long time for better penetration into your foot and ankle.Professional Cutting-Edge Materials: It is made of Lycra fabric and expert-grade thick solid gel, durable, soft, skin-friendly, and reusable. It can effectively relieve foot inflammation, pain, and postoperative recovery. Certified Safe and Fully Guaranteed: Using a hot or cold compress is a natural and effective way to fight inflammation and promote faster recovery. Size: 34.5*11cm.