Purchased on Amazon for about 13,000 yen. Used outdoors about twice. The rollers can be stored with a button, and it can also be used as regular sneakers. Size: 24.0cm ・2-WAY specification: sneakers & skates With a single button, the shoes transform into roller skates, allowing you to enjoy both everyday wear and skating. ・Comfort & Safety Design Breathable uppers and durable wheels provide a comfortable fit and stable skating.