RELIEVE FOOT PAIN:Designed for people with blisters or calluses. Prevent the shoes from rubbing the feet, slip out the shoes and hold the heels in place.Made of soft and safe silicone. The skin-friendly velvet outer layer prevents direct contact with the silicone. Sticky Design:Heel Pads have strong sticky backing that keeps them in place firmly. You can remove the adhesive backing and place the pads in the inside heel of shoes. Fixed for a while. LOOSE SHOES:We recommend that you use them in loose shoes to avoid pinching your feet.The heel grips are designed to fit the outline of the heel part of the shoe.Reduces about 1/4 to 1/2 ish of sizes. These heel cushion inserts make shoes a bit more tight. Gel material stop your feet from slipping in and out of your shoes. REUSABLEGlue is a higher quality material.Wash it again If the adhesive loses its tackiness.And it will be being used again. MORE PACKING:The more quantity is the same price.There are 4 pairs. For men and women, it can be worn with a variety of shoes.