You can fold this practical shopping bag small, but it is surprisingly large when you hang it in your shopping cart. You simply clip the bag onto the sides of most shopping carts. Checkout and you're done, you can easily lift the bag from the cart and ... into your car, for example. This version is equipped with an extra, removable compartment for products that require keeping cool eg. dairy products. The compartment is attached on the inside with Velcro.