Practical shoe insoles: With the thermal insole, little ones' feet stay pleasantly warm. Flexible thermal insoles for children's shoes: The replacement insole fits children's feet wonderfully. This makes playing and frolicking around in your favorite shoes a lot of fun. Easy Adjustment: Pre-printed lines allow you to cut the shoe insoles to fit your shoe size Whether children's shoes, boots or boots, the thermal soles provide good insulation from the cold. The sole insert can be easily adjusted to the respective shoe sizes from 20 to 35. Material: 100% polyester Color: original Size: one size