This t shape shoe shoe lining is thick enough to offer good support. The bottom of the insole is made of gel, which can well cushion foot pressure and relieve foot pain. The heel is made of pure cotton and silicone, which effectively prevents the heel from rubbing or slipping, making your shoes fit and more comfortable. They have super grip and can be used continuously after washing. If the adhesive loses its adhesion, simply wash with warm soapy water and let it dry before sticking again. It will make you feel very soft and comfortable, the small and invisible design is suitable for shoes of different colors, high heels, flats, high heels and boots, etc.