High Quality: heel grips pads made of quality soft sponge which provide high elasticity and flexibility, can effectively reduce the friction between shoes and feet. Skin-friendly and durable, suitable for women, men, adults & kids. Self Adhesive: shoe heel sticker have self-adhesive backs. Peeling off the back cover, you can stick them on your shoes backs conveniently. Keep you comfortable for any day full of walking. Anti-Slip Design: heel grip are designed to fill the loose part to make your shoes fit, provides a lasting and comfortable fit around your heel. And we also add massage particles gel dots on the inserts, more effective in preventing your shoes from falling off. Heel Protector: Designed for those who have a foot pain, blister or callus. heel cushion pads can reduce the friction between shoes and feet to avoid foot pain and blisters after a long walking. Suitable for loose shoes and prevents the heel from sliding out of the shoe. Wide Application: heel cushion inserts fit for all types of shoes such as high heels, boots, sneakers, leather shoes, etc. They also help adjust the size of slightly large shoes, making the shoes more comfortable and suitable for your foot size. Not suitable for shoes that have a lot of fluff on the shoe's inner suede.