Dr. Scholl's Hidden Arch Supports for Flats with Soft Gel One SizeDesigned for women who experience pain in the arches of their feet as a result of wearing flats Soft gel provides firm yet comfortable arch support to prevent arch pain. Works for all arch types including high arches Slim design fits easily and comfortably in any flats and wont make shoes feel tight Supports stay firmly in place but are removable without damaging shoes so you can re use them in different shoes Fits flats and any womens shoes beneath