YMOUTDOOR® this folding shopping trolley is made of premier sturdy durable environment friendly polypropylene case. The material has passed PAHS test conducted by SGS. And shopping trolley is no harm to human body.with rust-proof aluminum alloy handle(stronger and lighter) and wear &pressure resistance rubber wheels, easy to roll on any road, ensure longevity.Foldable Design, Easy to Store. collapsible removable hidden lid allow you to transport more different kinds of item like books files classroom supplies grocery laundry or personal items for traveling, shopping, or moving, etc.