DESCRIPTION Swivel wheels Design: Front wheels rotating 360 degrees for easy steering, back triangular wheel allows you to move the cart up steps and curbs with more stability and ease. Sturdy aluminum alloy construction, high load capacity, high stability and durable. Detachable bag keeps your food dry from rainy and some emergency situation. Also it is convenient to carry. The shopping cart features a collapsible frame that allows it to be used as a dolly for transporting larger items and allowing the cart to take up less space while being stored. What's more, it is multi-functional. This stair climbing trolley is ideal for shopping in supermarket, grocery store & farmer's market, laundry, picnic, camping, library & daily transporting. Bulky items will attract extra cost. You can then decide to pay for the postage or cancel the order.