... healthy , comfortable and height increase insole air cushion insoles Increase the life of your footwear.Adhesive soles ... No.ST-F001-13NameGel ball of foot cushionCharacteristics1. To soften the callus and prevent corn ... , foot diseases, callosity, and horny hyperplasia; 2. ... wear and tear on foot, and keep foot comfortable;3. Clear ball of foot cushions are thin and ...