This paragraph inline skates scalable , designed to freely adjust the size of the user's foot size, brake sensitive brakes and high- strength plastic stent. Sophisticated and practical , to ensure your safety at the same time , but also a kind of like the wind elegant and feels like freedom , wear it walking will make you cool fill in the city. Adjustment: buttons to adjust the automatic button. Upper: semi-soft breathable composite sandwich mesh. Aluminum frame. Wheels : PVC single flash wheel.. Brakes: brakes, higher safety performance.