Design Sticky design: The heels have a sticky backing that keeps them firmly in place. Simply remove the adhesive backing and place the heel pads on the inside heel of the shoe. Press firmly. If the adhesive loses its stickiness, just wash the heels and it will be like the first time. Reusable and washable: The heels can be removed and glued to another place or to another shoe. Just wash the gel insoles with warm, soapy water, let them dry and stick them on again. Do not dry the heel protectors in the sun. It is hand washable and easily reused for a long time. Save money! Function Powerful function: The heel grips are made with sticky fabric and strong, soft and eco-friendly fabric. Specially designed for those who suffer from foot pain or blisters. Avoid foot pain and blisters caused by long walking or new shoes. Designed to follow the contour of the heel section of the shoe. Lightweight, premium fabric and silicone prevent your feet from slipping in your shoes. Good for all types of shoes: High heels, flats, leather shoes, pumps, boots and dance shoes, etc. These pads are essential for new shoes. Adjust the size if the shoes are slightly large. Eliminate heel slippage and make shoes more fitting and comfortable. Unique T-shapes for the heel and the pad, the strong adhesive force does not fall off. Unisex and can be worn with a variety of Fast Heel Pain Killer shoes: Cushion, protect and support your heels from pain, blisters and calluses. Hit-and-absorb technology dramatically reduces impact, while side and back protectors reduce chafing, hold heels in place and prevent chafing.