snow rider meet CE,EN71 an,EN71 and ASTM ... well in the world market , can design for you . snow riderMaterial: Non-freezing 6P 0.50 mm, PVC bearing - ... rugged reinforced PVC bladder allow this item to handle any snow terrain. Strong, easy-grip handles and a directional bottom ... keep this snowmobile straightstraight and true in any snn any snow conditions. All components have a special additive to protect ...