Durable and washable that can be quickly and easily cleaned to maintain a good level of clean. Recommended use with a size bigger shoe for better performance and confort. The insoles can fit well in your shoes and can be easily removed when you do not want to use them. Height increase: These incredible foot insoles allow you to increase your height by up to 1 inch in just a blink. No one ever knows the secret behind your increased height. One size fit most: Fits most style of shoes sneaker boot and trainer you can insert these in almost all types of shoes and look taller.