1.UNIQUE DESIGN: The heel pad adopts 4D design to automatically adjust the space to Prevent Heel Slip Out and Blisters, these heel liners with little columned bumps can offer extra cushion for heels and relief rubbing between shoe and foot, meanwhile can give you a comfortable experience of 360cylindrical massage 2.HIGH QUALITY HEEL LINERS: These Heel Cushion Inserts adopts recyclable silicone, self-adhesive tape, these heel insole are non-toxic, flexible, soft and comfortable 3.Easy to use: These heel cushions have a self-adhesive back; after peeling off the back cover, you can easily attach them to the back of the shoes. 4.MULTIPLE CHOICE: Our heel stickers are suitable for all types of shoes, including leather shoes, high heels, ballerina shoes, casual shoes, especially for new shoes and bigger shoes, suitable for men and women of all ages. These heel stickers can perfectly solve the problem of improper size shoes; helps you to comfortably wear your beautiful new shoes whenever you are running, walking, dancing or shopping. 5.SIZE TABLE XS =2mm thickness fit for the shoes of normal size S =3.8mm thickness fit for the shoes of 0.5Yard bigger than normal L =5mm thickness fit for the shoes of 1Yard bigger than normal XL =6mm thickness fit for the shoes of 1.5Yard bigger than normal