Harmony's Insoles Kids' Shoe Insoles, Shock Absorption I purchased these but didn't use them, so I'm selling them. They are size M, and it says they fit shoes sized 18-20 cm. Lightweight insoles for kids. Can be used in all kinds of shoes, such as indoor shoes, sneakers, athletic shoes, and running shoes. 【Easy to Cut for Size Adjustment】 Size can be adjusted in 0.5cm increments. Color: Orange Please understand that these have been stored at home, will be simply packaged, and are being shipped after a personal inspection before purchasing.