These indoor shoes were used for several months. They are 15cm, and have insoles. They haven't stretched out much. I tried to erase the name written on the back, but it's still a little visible... please be aware of this... IFME Shoes White baby shoes made of breathable mesh material, slip-on design for easy on and off. - Color: White - Material: Mesh and synthetic - Sole Type: Rubber sole with grip - Size: Not specified, but appears small suitable for infants or toddlers - Closure Type: Slip-on with elastic band Thank you for looking.