Attribute Value According the structure of human feet to design the structure, making your feet breathe freely and anti-skid all the day. Manufactured from high quality and durable medical-grade silicone gel of great elasticity. Can effectively prevent shoes slipping, callus growth, forehead pain, Corn and so on. Protects heel bone from extreme pressure, fatigue & strain, prevents thickening of heel skin. Gel Toe Separator Bunion Splint Beehive Shaped Forefeet Sleeve Cushions Metatarsal Pads for Feet Pain Relief. Comfortable to wear under shoes or barefooted Hand wash in water with detergent powder and dry in a shade avoiding direct exposure to sunlight.