RATIONAL DESIGN: These cushions are made from a durable and reusable, high-quality class A sponge that provides high elasticity and flexibility and cushions every step. The soft design reduces friction between shoes and feet to avoid foot pain blisters after a long walk. The velvety upper material is sweat-absorbing and skin-friendly, so you feel comfortable on bare feet as well as on hosiery Reduce shoe size: Are your shoes too big? Perhaps they rub slightly and feel uncomfortable on your feet after a long day. The inserts are equipped with gel dots. This non-slip design prevents your feet from slipping out of your shoes and has a lot of air holes for extra ventilation that help to reduce swelling, pain and discomfort of the feet during work. Wide application: applies to slightly larger shoes. Suitable for many shoes such as high heels, flats, leather shoes etc.Not suitable for shoes that have a lot of fluff on the inner suede of the shoe. Easy to use: these shoe heel stickers have self-adhesive backs. When you peel off the back cover, you can conveniently stick it on the backrests of your shoes. These heel cushions are suitable for high heels, casual shoes and evening shoes (plus trainers). At the same time, it provides padded support to prevent heel slipping and blistering.