1.This pair of massage slippers fit for people at any age, for young people can play a role in promoting growth, for the elderlyit will prolong life. 2.For young women, they have the function of regulating endocrine, expelling toxins and beautifying the skin. 3.At the same time, can relieve the mental pressure and promote sleep of office workers. 4.It's very helpful to relax. Type:(optional) Blue type: sole length 25-28cm/11.02in Red type: sole length 22-25cm/9.84in Material: Upper: cotton cloth. Sole: Foamed EVA Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures. Thank you! 2. Please forgive 1-3cm measuring deviation due to manual measurement. Package: 1 pairs shoes