The insole is highly elastic and flexible, and our heel cup ensures breathability, comfort and cushioning.Our heel inserts are specially designed for people suffering from foot pain, blisters or calluses. Prevents shoes from squeaking and sliding, keeps heels fixed and relieves plantar fasciitis pain.Our heel cup is designed to fit the contour of the heel part of the shoe; The heel pad is made of three layers of double-sided mixed material adhesive tape, two layers of glue and a layer of stabilizing fiber. She is very sticky and durable. , so you don't have to worry about damage to your shoes for a long time.These heel pads are suitable for many shoes, such as high heels, leather shoes, flat shoes, etc. The insoles are suitable for new shoes and slightly larger shoes, suitable for all the worldThese heel stickers have a self-adhesive back; you can easily stick them to the back of your shoes by removing the back cover.Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received .