Keep heels from slipping out of your shoe with the Fab Feet by Foot Petals Back of Heel Gel Cushions. Place this cushion at the back of heel or any uncomfortable area in your shoes for all-day comfort. Clear cushion will be nearly invisible in your shoe. These cushions can be reused from shoe to shoe - wash with soap and water to restore adhesiveness. Directions: remove adhesive backing, position in clean and dry area of your shoe, and press firmly in place.