• Includes 3 pairs of heel cups made of soft, flexible, and skin-friendly medical-grade silicone gel. • They provide soft protection for the heel, helping to reduce pressure on joints, shocks, and vibrations. • Designed to relieve pain related to plantar fasciitis, heel spurs, Achilles tendonitis, and ankle muscle fatigue. • The blue zone contains an extra soft gel support to provide targeted pressure relief in the center of the heel. • They incorporate a strong adhesive film on the bottom to ensure they stay firmly fixed in the footwear. • They are durable, reusable, and washable; they can be cleaned with water to recover their adhesion and used in different shoes. • Unisex design compatible with most footwear styles, including athletic, casual shoes, and boots.