Detailed product description features:\r\n\r\n1) maximally flashing with 4 colors (red, yellow, blue, green)\r\n\r\n2) top and medium grade brackets with various colors\r\n\r\n3) high-elasticity and durability pu or transparent pvc wheels\r\n\r\n4) with ce certification\r\n\r\n5) eye-catching flashing effect while skating (because of a magnetic-generating device) will make you highlight and different from others\r\n\r\n6) low price, easy take, easy learn, easy put on and off, easy enjoy of skating.