Size:27.5x8.7cm Invisible insole increases height, from 3 to 6cm, cushion, adjustable fit, shoe, heel insertion, greater support, footpad Increased height: Increased 3cm-6cm height. Whether it's sneakers, dress shoes, or casual shoes, you can wear them with almost any type of shoe and look much bigger. Best of all, the inner sole of these elevator shoes is hidden, so no one knows the secret behind your increased size. Breathable design: The insole has an air cushion cup to provide maximum comfort to your heel and make you feel relaxed all day long. The maximum thickness is also limited to an optimal value to ensure that it does not make your shoes too tight. Features: Height adjustable, invisible, comfortable, shockproof, breathable. Package: 1 pc sole