New York City shopping bag inside a Bag. A reusable bag for up to 40 pounds of groceries. It makes a wonderful souvenir present from your New York City visit. The sac measures 6 by 5". It turns in to a shopping bag 16 wide by 20 inches. It can be easily folded and stored without taking up too much space, you can keep them in your purse, car, pocket or everywhere you think convenient.