Includes 1 pair of back-of-heel cushions. Space can be a good thing in a relationship—but not with your shoes. If your shoes are slightly too big it can cause blisters and unpleasant rubbing that can be helped with Technogel Heavenly Heelz. About the Technology: This patented, revolutionary gel is like no other. Its 3-dimensional shock absorption reduces stress on pressure points to provide superior comfort with every step. These virtually invisible cushions contour to your feet and provide long lasting cushioning that never goes flat…guaranteed!