adjustable roller skate

adjustable roller skate/ inline skating / children shoes a. High quality b. Good service c. Reasonable price d. Long life THE MATERIALS AND CONFIGURATION OF MAIN PARTS 1. COLOR:Red & black 2. SHOE COVER (UPPER): Use permeability foam fabrics, some of them leather fabric, with breathable holes, Anti-slip velvet lining 3. WHEELS: High wear-resistant transparent flexible polyurethane (PU) materials 4. BEARING: Carbon steel high-speed bearings, ABEC-7 5. BOOT: High-impact reinforced polypropylene (PP) material 6. CHASSIS: ALUMINUM ALLOY 7. BRAKE: High coefficient of friction and wear-resistant polyurethane (PU) Material 8. BUCKLES(shoes tied): Use auto-locking and high-tensile buckling, polycarbonate (PC) and toughening polyethylene (HDPE) for material Features: Free to adjust the size,take full account of childrens growth,31# -34#(S),34# -37#(M), 37# -40#(L) scalable High density comfort stretch lining retaining pin can be removed free Moisture proof metallic ventilation holes,non-slip shoelaces, High strength and durable support leggings