1. Cushion the back of heel or any uncomfortable area in shoes2. Help with sizing and fit issues3. Virtually invisible design4. Reusable from shoe to shoe5. Invisible gel cushioning6. Provides comfort and relief to the heel area where shoes rub7. Cushions heel from sliping and provides better shoe fit8. Eliminates friction and rubbing that can cause irritation9. Protects against blisters