These inline skates will help your child learn how to get over obstacles, pick up speed and go on adventures, all while having fun! Inline skates that will help your child learn how to glide. A must-have for their first experience of true freedom on wheels! Lining and sock of: 100.0% Polyester; Upper of: 50.0% Polyurethane, 50.0% Polyester; Boot for bike: 100.0% Polypropylene; Wheels: 50.0% Polyurethane, 50.0% Polypropylene; Roller Cuff: 100.0% Polypropylene; Outer sole of: 100.0% Thermoplastic Polyurethane; Buckles: 50.0% Thermoplastic Polyurethane, 30.0% Polycarbonate, 20.0% Polyamide