Materials: Base (silk, cotton) 　　　　Thong (silk) Size: 23-24.5cm (approx. US women's 6-8) 　　　　This is an estimate. 　　　　Width: 9cm Regarding the size, this is just an estimate as the length of your toes varies. It's not meant to fit as snugly as shoes; it's fine if your heel extends slightly beyond the back. In fact, it's better if your heel extends a bit. #IndoorShoes #BunionCare #FootHealth #Handmade #Handcrafted #Gift #RoomShoes