1.The South Korea waterproof nylon material 2. rotate 360 degrees to bearing wheel,Aluminum alloy bars, retractile 1. The South Korea waterproof nylon fabric, wear-resisting, smooth2. Front with two bags, better separate aside an umbrella, shoes, water cup, etc3. Aluminum alloy two type bars, fluctuation retractile, use rise more pleasant4. Inside with cotton cloth, feel soft, enclosed wash ...