Absorbs shock and relieves child from foot pains and uncomfort. Can be easily worn with all kinds of footwear like shoes, flip flop etc. Softer gel for comfortable support and stays firmer in place. Won t take lot of place, fits comfortably in any shoes. immovable without damage to shoes.. Middle Arch Support Insole For Flat foot Super Soft and help you walk comfortably : It is made of natural silicone, non-toxic, tasteless, and always take care of your skin. Made of soft and durable medical-grade polyurethane gel material, safe to human body. Rapid Foot Pain Relief : Made of soft and durable medical-grade polyurethane gel material.