Supports growing children to develop balance and sense of balance. New feeling roller sports gear has landed in Japan. With a reliable construction, this product allows you to build a sense of balance while having fun playing with it. Large buckle construction keeps the entire foot firmly folded. Twist knob for easy size adjustment Easy to adjust to just the right size by turning the knob. Large rear stopper: The large rear stopper reduces the risk of falls, while the gentle function allows you to feel natural and balance. Unique wheel construction: By setting large wheels on the outside of the shoe, the stability of the left and right has been greatly improved. Helps prevent injuries by reducing stress on the ankles.