HEEL PAIN RELIEF: The heel grips protect and support your heels from pain, blisters, and rubbing, and help keep your heel in place in your shoe.COMFORTABLE DESIGN: The soft, ergonomic design replicates the of your heels, cushioning them to prevent slipping, rubbing, blisters, and heel pain.FIT MOST SHOES: These heel cushion inserts are easy to apply, stay in place, and dont cause crowding in your shoes. They are available for both men and women and fit all types of shoes, such as running shoes, dress shoes, boots, sneakers, work shoes, leather shoes, etc.Protective tools: these heel cushion pads are made of soft sponge, good for reducing the friction between shoes and feet to avoid foot pain and blisters after a long walkingIt can be used to DIY your shoes without straps and help prevent the dropping out of your shoes. Notice: Not fit for flats