Blue RIPSTIK roller shoes, perfect for street sports. Used about 3 times in front of my house. There are minor scratches from use, but the wheels spin without any problems. 【How to Attach】 This type secures to the soles of your sneakers or athletic shoes with straps. Adjust the strap on the instep and make sure there is no slippage before use. The width of the shoes can also be adjusted. No batteries required, and the wheels light up a vibrant green color beautifully. (Operation confirmed) Shoe size: Approximately 19-27cm Weight capacity: Up to 80kg, so adults and children can enjoy them. Target age: 8 years and older - Color: Blue - Brand: RIPSTIK - Type: Roller shoes Thank you for looking.