It's 16 cm. The inside of the shoes is fluffy. Brand new with tags, never used. Please understand that this item has been stored at home, and only purchase if you are okay with that. Please read the profile and if you agree, you can buy it immediately. (Please note that we will not accept cancellations for claims from those who purchase without reading the profile.) I am also selling other items ^_^ Discounts are available for combined shipping. #8fufu Kids, children's, sandals, shoes