Waterproof Shopping Bag】The shopping bag is made of waterproof Oxford cloth material. The waterproof material keeps the contents safe from rain and snow. Lightweight Design】Wheeled shopping carts are made of premium thickened aluminum alloy material which balances lightweight and durability. The cart frame weighs only 5.5lbs. Reinforced bottom keeps the cart more durable and stable loading. Multi-functional Uses】 The foldable cart can be used as a shopping cart, grocery cart, utility cart, handcart or laundry loading cart, multi-functional and practical. Durable Wheels】Our folding trolleys are equipped with durable wheels for a variety of terrains. You can take it to the supermarket or the beach and pull it easily on uneven ground. The metal frame of the shopping trolley provides the necessary stability.