• Made of high-quality elastic silicone gel, durable, anti-odor, and non-toxic. • Helps relieve severe heel pain and discomfort caused by plantar fasciitis, bone spurs, Achilles tendonitis, and swollen feet. • Breathable air hole design that ventilates and massages the heels, preventing chafing, blisters, and pressure. • Provides compression protection and retains moisture to prevent cracked heels and soften calluses. • One size fits most footwear such as sneakers, boots, heels, or ballet shoes. • Hand washable with warm water and soap, allowing for daily reuse. • Package includes 4 units in white.