Material: Sponge.Pack of 1 PAIR ,COLOR:BLACK Reduce the friction between the shoes and the feet, avoid foot pain and blisters after a long walk； Self-adhesive easy application, no worries about slipping off position. Washable when gets dirty,the stickness will recover after wash, also you can remove them to paste to another pair of shoes Designed to fit for all types of shoes including high-heels, leather shoes, special for new shoes and slightly bigger shoes, suitable for people in all ages.Designed to fit for all types of shoes including high-heels, leather shoes, special for new shoes and slightly bigger shoes, suitable for people in all ages. It can prevent blisters,rubbing and cutting, causing sore heel. Protect and relax heels and make any types of shoes comfortable.